const_str

Macro strip_prefix

Source 
macro_rules! strip_prefix {
    ($s: expr, $prefix: expr) => { ... };
}
Expand description

Returns a string slice with the prefix removed.

This macro is const-fn compatible.

ยงExamples

assert_eq!(const_str::strip_prefix!("foo:bar", "foo:"), Some("bar"));
assert_eq!(const_str::strip_prefix!("foo:bar", "bar"), None);
assert_eq!(const_str::strip_prefix!("foofoo", "foo"), Some("foo"));

const FOO_BAR: &str = "foo:bar";
const BAR: &str = const_str::unwrap!(const_str::strip_prefix!(FOO_BAR, "foo:"));
assert_eq!(BAR, "bar");