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Only apply when there is a single argument.

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This commit is contained in:
laurent 2017-11-07 21:49:30 +00:00
parent 82793768b7
commit 67aeb2eaeb
1 changed files with 20 additions and 18 deletions
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38
clippy_lints/src/booleans.rs
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@ -405,24 +405,26 @@ impl<'a, 'tcx> NonminimalBoolVisitor<'a, 'tcx> {
}
fn handle_method_call_in_not(&mut self, e: &'tcx Expr, inner: &'tcx Expr) {
if let ExprMethodCall(ref path, _, _) = inner.node {
METHODS_WITH_NEGATION.iter().for_each(|&(method, negation_method)| {
if method == path.name.as_str() {
span_lint_and_then(
self.cx,
NONMINIMAL_BOOL,
e.span,
"this boolean expression can be simplified",
|db| {
db.span_suggestion(
e.span,
"try",
negation_method.to_owned()
);
}
)
}
})
if let ExprMethodCall(ref path, _, ref args) = inner.node {
if args.len() == 1 {
METHODS_WITH_NEGATION.iter().for_each(|&(method, negation_method)| {
if method == path.name.as_str() {
span_lint_and_then(
self.cx,
NONMINIMAL_BOOL,
e.span,
"this boolean expression can be simplified",
|db| {
db.span_suggestion(
e.span,
"try",
negation_method.to_owned()
);
}
)
}
})
}
}
}
}