27 lines
721 B
Rust
27 lines
721 B
Rust
use clippy_utils::diagnostics::span_lint_and_help;
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use rustc_hir as hir;
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use rustc_lint::LateContext;
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use super::INTEGER_DIVISION;
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pub(crate) fn check<'tcx>(
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cx: &LateContext<'tcx>,
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expr: &'tcx hir::Expr<'_>,
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op: hir::BinOpKind,
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left: &'tcx hir::Expr<'_>,
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right: &'tcx hir::Expr<'_>,
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) {
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if op == hir::BinOpKind::Div
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&& cx.typeck_results().expr_ty(left).is_integral()
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&& cx.typeck_results().expr_ty(right).is_integral()
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{
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span_lint_and_help(
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cx,
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INTEGER_DIVISION,
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expr.span,
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"integer division",
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None,
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"division of integers may cause loss of precision. consider using floats",
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);
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}
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}
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