michie 0.2.13

An attribute macro that adds memoization to a function (sounds like Mickey)
Documentation
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error[E0425]: cannot find value `b` in this scope
 --> tests/compile_fail/key_expr_span.rs:3:23
  |
3 | #[memoized(key_expr = b)]
  |                       ^ help: a local variable with a similar name exists: `a`