[−][src]Trait trezm_redis::ToRedisArgs
Used to convert a value into one or multiple redis argument strings. Most values will produce exactly one item but in some cases it might make sense to produce more than one.
Required methods
fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
W: RedisWrite,
This writes the value into a vector of bytes. Each item is a single argument. Most items generate a single item.
The exception to this rule currently are vectors of items.
Provided methods
fn to_redis_args(&self) -> Vec<Vec<u8>>
This converts the value into a vector of bytes. Each item is a single argument. Most items generate a vector of a single item.
The exception to this rule currently are vectors of items.
fn describe_numeric_behavior(&self) -> NumericBehavior
Returns an information about the contained value with regards
to it's numeric behavior in a redis context. This is used in
some high level concepts to switch between different implementations
of redis functions (for instance INCR
vs INCRBYFLOAT
).
fn is_single_arg(&self) -> bool
Returns an indiciation if the value contained is exactly one
argument. It returns false if it's zero or more than one. This
is used in some high level functions to intelligently switch
between GET
and MGET
variants.
Implementations on Foreign Types
impl ToRedisArgs for u8
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn make_arg_vec<W: ?Sized>(items: &[u8], out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_vec_arg(_items: &[u8]) -> bool
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impl ToRedisArgs for i8
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn describe_numeric_behavior(&self) -> NumericBehavior
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impl ToRedisArgs for i16
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn describe_numeric_behavior(&self) -> NumericBehavior
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impl ToRedisArgs for u16
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn describe_numeric_behavior(&self) -> NumericBehavior
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impl ToRedisArgs for i32
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn describe_numeric_behavior(&self) -> NumericBehavior
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impl ToRedisArgs for u32
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn describe_numeric_behavior(&self) -> NumericBehavior
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impl ToRedisArgs for i64
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn describe_numeric_behavior(&self) -> NumericBehavior
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impl ToRedisArgs for u64
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn describe_numeric_behavior(&self) -> NumericBehavior
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impl ToRedisArgs for isize
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn describe_numeric_behavior(&self) -> NumericBehavior
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impl ToRedisArgs for usize
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn describe_numeric_behavior(&self) -> NumericBehavior
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impl ToRedisArgs for f32
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn describe_numeric_behavior(&self) -> NumericBehavior
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impl ToRedisArgs for f64
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn describe_numeric_behavior(&self) -> NumericBehavior
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impl ToRedisArgs for bool
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
impl ToRedisArgs for String
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
impl<'a> ToRedisArgs for &'a String
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
impl<'a> ToRedisArgs for &'a str
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
impl<T: ToRedisArgs> ToRedisArgs for Vec<T>
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<T: ToRedisArgs> ToRedisArgs for Option<T>
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn describe_numeric_behavior(&self) -> NumericBehavior
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fn is_single_arg(&self) -> bool
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impl<T: ToRedisArgs + Hash + Eq, S: BuildHasher + Default> ToRedisArgs for HashSet<T, S>
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@note: Redis cannot store empty sets so the application has to check whether the set is empty and if so, not attempt to use that result
fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<T: ToRedisArgs + Hash + Eq + Ord> ToRedisArgs for BTreeSet<T>
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@note: Redis cannot store empty sets so the application has to check whether the set is empty and if so, not attempt to use that result
fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<T: ToRedisArgs + Hash + Eq + Ord, V: ToRedisArgs> ToRedisArgs for BTreeMap<T, V>
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this flattens BTreeMap into something that goes well with HMSET @note: Redis cannot store empty sets so the application has to check whether the set is empty and if so, not attempt to use that result
fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 0]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 1]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 2]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 3]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 4]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 5]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 6]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 7]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 8]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 9]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 10]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 11]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 12]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 13]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 14]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 15]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 16]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 17]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 18]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 19]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 20]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 21]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 22]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 23]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 24]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 25]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 26]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 27]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 28]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 29]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 30]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 31]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<'a, T: ToRedisArgs> ToRedisArgs for &'a [T; 32]
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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Implementors
impl ToRedisArgs for Unit
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
impl ToRedisArgs for RadiusOptions
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,
fn is_single_arg(&self) -> bool
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impl<T: ToRedisArgs> ToRedisArgs for Coord<T>
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fn write_redis_args<W: ?Sized>(&self, out: &mut W) where
W: RedisWrite,
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W: RedisWrite,