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| author | troido <troido@protonmail.com> | 2020-04-21 17:42:43 +0200 |
|---|---|---|
| committer | troido <troido@protonmail.com> | 2020-04-21 17:42:43 +0200 |
| commit | 99e3ad27e075ccf327d0f399bfa73d75be66d13d (patch) | |
| tree | f99ffc1ba861868cd5f974bb38dafdeffdf19570 /src/util.rs | |
| parent | 6f85a365cb790b426b4c55f93f25420503e5af43 (diff) | |
use own strip_prefix function for interaction arguments
Diffstat (limited to 'src/util.rs')
| -rw-r--r-- | src/util.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/util.rs b/src/util.rs index c9557b2..6a22031 100644 --- a/src/util.rs +++ b/src/util.rs @@ -6,6 +6,14 @@ pub fn clamp<T: Ord>(val: T, lower: T, upper: T) -> T{ } +pub fn strip_prefix<'a>(txt: &'a str, prefix: &'a str) -> Option<&'a str> { + if txt.starts_with(prefix) { + Some(txt.split_at(prefix.len()).1) + } else { + None + } +} + #[macro_export] macro_rules! hashmap { ( $($key:expr => $value:expr ),* ) => {{ |