diff options
Diffstat (limited to '')
-rw-r--r-- | src/tools/rust-analyzer/crates/stdx/src/lib.rs | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/src/tools/rust-analyzer/crates/stdx/src/lib.rs b/src/tools/rust-analyzer/crates/stdx/src/lib.rs index 51e109798..5639aaf57 100644 --- a/src/tools/rust-analyzer/crates/stdx/src/lib.rs +++ b/src/tools/rust-analyzer/crates/stdx/src/lib.rs @@ -2,15 +2,16 @@ #![warn(rust_2018_idioms, unused_lifetimes, semicolon_in_expressions_from_macros)] +use std::io as sio; use std::process::Command; use std::{cmp::Ordering, ops, time::Instant}; -use std::{io as sio, iter}; mod macros; pub mod hash; pub mod process; pub mod panic_context; pub mod non_empty_vec; +pub mod rand; pub use always_assert::{always, never}; @@ -39,15 +40,19 @@ Uncomment `default = [ "backtrace" ]` in `crates/stdx/Cargo.toml`. } pub fn to_lower_snake_case(s: &str) -> String { - to_snake_case(s, char::to_ascii_lowercase) + to_snake_case(s, char::to_lowercase) } pub fn to_upper_snake_case(s: &str) -> String { - to_snake_case(s, char::to_ascii_uppercase) + to_snake_case(s, char::to_uppercase) } // Code partially taken from rust/compiler/rustc_lint/src/nonstandard_style.rs // commit: 9626f2b -fn to_snake_case<F: Fn(&char) -> char>(mut s: &str, change_case: F) -> String { +fn to_snake_case<F, I>(mut s: &str, change_case: F) -> String +where + F: Fn(char) -> I, + I: Iterator<Item = char>, +{ let mut words = vec![]; // Preserve leading underscores @@ -75,7 +80,7 @@ fn to_snake_case<F: Fn(&char) -> char>(mut s: &str, change_case: F) -> String { } last_upper = ch.is_uppercase(); - buf.extend(iter::once(change_case(&ch))); + buf.extend(change_case(ch)); } words.push(buf); |