Struct redis::LposOptions
source · [−]pub struct LposOptions { /* private fields */ }
Expand description
Options for the LPOS command
Example
use redis::{Commands, RedisResult, LposOptions};
fn fetch_list_position(
con: &mut redis::Connection,
key: &str,
value: &str,
count: usize,
rank: isize,
maxlen: usize,
) -> RedisResult<Vec<usize>> {
let opts = LposOptions::default()
.count(count)
.rank(rank)
.maxlen(maxlen);
con.lpos(key, value, opts)
}
Implementations
Trait Implementations
sourceimpl Default for LposOptions
impl Default for LposOptions
sourcefn default() -> LposOptions
fn default() -> LposOptions
Returns the “default value” for a type. Read more
sourceimpl ToRedisArgs for LposOptions
impl ToRedisArgs for LposOptions
sourcefn write_redis_args<W>(&self, out: &mut W)where
W: ?Sized + RedisWrite,
fn write_redis_args<W>(&self, out: &mut W)where
W: ?Sized + RedisWrite,
This writes the value into a vector of bytes. Each item
is a single argument. Most items generate a single item. Read more
sourcefn is_single_arg(&self) -> bool
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. Read moresourcefn to_redis_args(&self) -> Vec<Vec<u8>>
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. Read more
sourcefn describe_numeric_behavior(&self) -> NumericBehavior
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
). Read moreAuto Trait Implementations
impl RefUnwindSafe for LposOptions
impl Send for LposOptions
impl Sync for LposOptions
impl Unpin for LposOptions
impl UnwindSafe for LposOptions
Blanket Implementations
sourceimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more