Module clippy_utils::visitors

Modules

internal 🔒

Macros

visitable_ref 🔒

Enums

Descend

Allows for controlled descent when using visitor functions. Use () instead when always descending into child nodes.

Traits

Visitable

A type which can be visited.

Functions

any_temporaries_need_ordered_drop

contains_try 🔒

returns true if expr contains match expr desugared from try

contains_unsafe_block

Checks if the given expression contains an unsafe block

expr_visitor

Convenience method for creating a Visitor with just visit_expr overridden and nested bodies (i.e. closures) are visited. If the callback returns true, the expr just provided to the callback is walked.

expr_visitor_no_bodies

Convenience method for creating a Visitor with just visit_expr overridden and nested bodies (i.e. closures) are not visited. If the callback returns true, the expr just provided to the callback is walked.

find_all_ret_expressions

for_each_expr

Calls the given function once for each expression contained. This does not enter any bodies or nested items.

for_each_local_assignment

Runs the given function for each path expression referencing the given local which occur after the given expression.

for_each_local_use_after_expr

Runs the given function for each path expression referencing the given local which occur after the given expression.

for_each_unconsumed_temporary

for_each_value_source

Runs the given function for each sub-expression producing the final value consumed by the parent of the give expression.

is_const_evaluatable

Checks if the given expression is a constant.

is_expr_unsafe

Checks if the given expression performs an unsafe operation outside of an unsafe block.

is_local_used

Checks if the given local is used.

is_res_used

Checks if the given resolved path is used in the given body.