​
Signature

pub trait RangeTrait+PartialOrd>

​
Trait functions

​
contains

Returns true if item is contained in the range.

​
Signature

fn contains, +PartialOrd, T, +Destruct, +PartialOrd>(
    self: @Range, item: @T,
) -> bool

​
Examples

assert!(!(3..5).contains(@2));
assert!( (3..5).contains(@3));
assert!( (3..5).contains(@4));
assert!(!(3..5).contains(@5));

assert!(!(3..3).contains(@3));
assert!(!(3..2).contains(@3));

​
is_empty

Returns true if the range contains no items.

​
Signature

fn is_empty, +PartialOrd, T, +Destruct, +PartialOrd>(
    self: @Range,
) -> bool

​
Examples

assert!(!(3_u8..5_u8).is_empty());
assert!( (3_u8..3_u8).is_empty());
assert!( (3_u8..2_u8).is_empty());