mirror of
https://github.com/rust-lang/rust-clippy
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21 lines
580 B
Rust
21 lines
580 B
Rust
use super::ITER_NEXT_LOOP;
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use clippy_utils::diagnostics::span_lint;
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use clippy_utils::is_trait_method;
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use rustc_hir::Expr;
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use rustc_lint::LateContext;
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use rustc_span::sym;
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pub(super) fn check(cx: &LateContext<'_>, arg: &Expr<'_>) -> bool {
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if is_trait_method(cx, arg, sym::Iterator) {
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span_lint(
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cx,
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ITER_NEXT_LOOP,
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arg.span,
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"you are iterating over `Iterator::next()` which is an Option; this will compile but is \
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probably not what you want",
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);
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true
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} else {
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false
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}
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}
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