[−][src]Trait mouscache::ToArgs
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(&self, out: &mut Vec<Vec<u8>>)
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<'a, T> ToRedisArgs for &'a [T; 12] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 10] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 1] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 14] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl ToRedisArgs for i8
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fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn describe_numeric_behavior(&self) -> NumericBehavior
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impl<'a, T> ToRedisArgs for &'a [T; 28] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<T> ToRedisArgs for Option<T> where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn describe_numeric_behavior(&self) -> NumericBehavior
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 16] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<T> ToRedisArgs for BTreeSet<T> where
T: ToRedisArgs + Eq + Ord + Hash,
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T: ToRedisArgs + Eq + Ord + Hash,
@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(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 11] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 29] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a> ToRedisArgs for &'a String
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fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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impl ToRedisArgs for bool
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fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn describe_numeric_behavior(&self) -> NumericBehavior
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impl ToRedisArgs for isize
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fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn describe_numeric_behavior(&self) -> NumericBehavior
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impl ToRedisArgs for u16
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fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn describe_numeric_behavior(&self) -> NumericBehavior
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impl ToRedisArgs for f64
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fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn describe_numeric_behavior(&self) -> NumericBehavior
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impl<'a, T> ToRedisArgs for &'a [T; 18] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl ToRedisArgs for i32
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fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn describe_numeric_behavior(&self) -> NumericBehavior
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impl<'a, T> ToRedisArgs for &'a [T; 26] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<T> ToRedisArgs for Vec<T> where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 20] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 0] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 6] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl ToRedisArgs for f32
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fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn describe_numeric_behavior(&self) -> NumericBehavior
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impl ToRedisArgs for usize
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fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn describe_numeric_behavior(&self) -> NumericBehavior
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impl<'a, T> ToRedisArgs for &'a [T; 23] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a> ToRedisArgs for &'a str
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fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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impl<'a, T> ToRedisArgs for &'a [T; 15] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 31] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl ToRedisArgs for i64
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fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn describe_numeric_behavior(&self) -> NumericBehavior
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impl ToRedisArgs for u64
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fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn describe_numeric_behavior(&self) -> NumericBehavior
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impl<'a, T> ToRedisArgs for &'a [T; 25] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<T, V> ToRedisArgs for BTreeMap<T, V> where
T: ToRedisArgs + Eq + Ord + Hash,
V: ToRedisArgs,
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T: ToRedisArgs + Eq + Ord + Hash,
V: ToRedisArgs,
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(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 21] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 32] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 24] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 4] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 17] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 27] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 13] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 7] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl ToRedisArgs for u8
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fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn make_arg_vec(items: &[u8], out: &mut Vec<Vec<u8>>)
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fn is_single_vec_arg(_items: &[u8]) -> bool
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impl ToRedisArgs for String
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fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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impl<'a, T> ToRedisArgs for &'a [T; 22] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 5] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 2] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 30] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 9] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 19] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl ToRedisArgs for u32
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fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn describe_numeric_behavior(&self) -> NumericBehavior
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impl<T, S> ToRedisArgs for HashSet<T, S> where
S: Default + BuildHasher,
T: ToRedisArgs + Eq + Hash,
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S: Default + BuildHasher,
T: ToRedisArgs + Eq + Hash,
@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(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl ToRedisArgs for i16
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fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn describe_numeric_behavior(&self) -> NumericBehavior
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impl<'a, T> ToRedisArgs for &'a [T; 8] where
T: ToRedisArgs,
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T: ToRedisArgs,
fn write_redis_args(&self, out: &mut Vec<Vec<u8>>)
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fn is_single_arg(&self) -> bool
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impl<'a, T> ToRedisArgs for &'a [T; 3] where
T: ToRedisArgs,
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T: ToRedisArgs,