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# dmd.argtypes

Compiler implementation of the D programming language.
Authors:
Walter Bright
License:
Boost License 1.0

Source argtypes.d

Documentation https://dlang.org/phobos/dmd_argtypes.html

Coverage https://codecov.io/gh/dlang/dmd/src/master/src/dmd/argtypes.d

TypeTuple `toArgTypes`(Type `t`);
  This breaks a type down into 'simpler' types that can be passed to a function in registers, and returned in registers. It's highly platform dependent.
  Parameters:

  Type `t` | type to break down

  Returns:
  tuple of types, each element can be passed in a register. A tuple of zero length means the type cannot be passed/returned in registers. null indicates a void.

  References For 64 bit code, follows Itanium C++ ABI 1.86 Chapter 3 http://refspecs.linux-foundation.org/cxxabi-1.86.html#calls

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