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Add unwrap_or_else_default lint

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This will catch `unwrap_or_else(Default::default)` on Result and Option
and suggest `unwrap_or_default()` instead.
This commit is contained in:
Jade
2021-07-29 23:56:47 -07:00
parent f6a5889ffa
commit 11ef04728c
13 changed files with 356 additions and 31 deletions
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3
clippy_lints/src/lib.rs
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@@ -797,6 +797,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf:
methods::UNNECESSARY_FILTER_MAP,
methods::UNNECESSARY_FOLD,
methods::UNNECESSARY_LAZY_EVALUATIONS,
methods::UNWRAP_OR_ELSE_DEFAULT,
methods::UNWRAP_USED,
methods::USELESS_ASREF,
methods::WRONG_SELF_CONVENTION,
@@ -1341,6 +1342,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf:
LintId::of(methods::UNNECESSARY_FILTER_MAP),
LintId::of(methods::UNNECESSARY_FOLD),
LintId::of(methods::UNNECESSARY_LAZY_EVALUATIONS),
LintId::of(methods::UNWRAP_OR_ELSE_DEFAULT),
LintId::of(methods::USELESS_ASREF),
LintId::of(methods::WRONG_SELF_CONVENTION),
LintId::of(methods::ZST_OFFSET),
@@ -1535,6 +1537,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf:
LintId::of(methods::STRING_EXTEND_CHARS),
LintId::of(methods::UNNECESSARY_FOLD),
LintId::of(methods::UNNECESSARY_LAZY_EVALUATIONS),
LintId::of(methods::UNWRAP_OR_ELSE_DEFAULT),
LintId::of(methods::WRONG_SELF_CONVENTION),
LintId::of(misc::TOPLEVEL_REF_ARG),
LintId::of(misc::ZERO_PTR),