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derive Copy/PartialEq for Prefix

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Centri3 2023-06-03 14:31:40 -05:00
parent b1a21ae347
commit 7fe200ed05
1 changed files with 8 additions and 11 deletions
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19
clippy_lints/src/endian_bytes.rs
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@ -76,6 +76,7 @@ enum LintKind {
Big,
}
#[derive(Clone, Copy, PartialEq)]
enum Prefix {
From,
To,
@ -94,8 +95,8 @@ impl LintKind {
}
}
fn as_name(&self, prefix: &Prefix) -> &str {
let index = usize::from(matches!(prefix, Prefix::To));
fn as_name(&self, prefix: Prefix) -> &str {
let index = usize::from(prefix == Prefix::To);
match self {
LintKind::Host => HOST_NAMES[index],
@ -116,7 +117,7 @@ impl LateLintPass<'_> for EndianBytes {
if args.is_empty();
let ty = cx.typeck_results().expr_ty(receiver);
if ty.is_primitive_ty();
if maybe_lint_endian_bytes(cx, expr, &Prefix::To, method_name.ident.name, ty);
if maybe_lint_endian_bytes(cx, expr, Prefix::To, method_name.ident.name, ty);
then {
return;
}
@ -130,13 +131,13 @@ impl LateLintPass<'_> for EndianBytes {
let ty = cx.typeck_results().expr_ty(expr);
if ty.is_primitive_ty();
then {
maybe_lint_endian_bytes(cx, expr, &Prefix::From, *function_name, ty);
maybe_lint_endian_bytes(cx, expr, Prefix::From, *function_name, ty);
}
}
}
}
fn maybe_lint_endian_bytes(cx: &LateContext<'_>, expr: &Expr<'_>, prefix: &Prefix, name: Symbol, ty: Ty<'_>) -> bool {
fn maybe_lint_endian_bytes(cx: &LateContext<'_>, expr: &Expr<'_>, prefix: Prefix, name: Symbol, ty: Ty<'_>) -> bool {
let ne = LintKind::Host.as_name(prefix);
let le = LintKind::Little.as_name(prefix);
let be = LintKind::Big.as_name(prefix);
@ -200,13 +201,9 @@ fn maybe_lint_endian_bytes(cx: &LateContext<'_>, expr: &Expr<'_>, prefix: &Prefi
expr.span,
&format!(
"usage of the {}`{ty}::{}`{}",
if matches!(prefix, Prefix::From) {
"function "
} else {
""
},
if prefix == Prefix::From { "function " } else { "" },
lint.as_name(prefix),
if matches!(prefix, Prefix::To) { " method" } else { "" },
if prefix == Prefix::To { " method" } else { "" },
),
move |diag| {
if let Some(help) = help {