[PATCH] D100670: [ADT] Add makeVisitor to STLExtras.h

[Scott Linder via Phabricator via llvm-commits]

scott.linder created this revision.
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Adds a utility to combine multiple Callables into a single Callable.
This is useful to make constructing a visitor for `std::visit`-like
functions more natural; functions like this will be added in future
patches.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D100670

Files:
  llvm/include/llvm/ADT/STLExtras.h
  llvm/unittests/ADT/STLExtrasTest.cpp

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