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platform_map

platform_map[T: Copyable, //, operation: Optional[String] = None, *, linux: Optional[T] = None, macos: Optional[T] = None]() -> T

Helper for defining a compile time value depending on the current compilation target, raising a compilation error if trying to access the value on an unsupported target.

Example:

from std.sys.info import platform_map

comptime EDEADLK = platform_map["EDEADLK", linux=35, macos=11]()

Parameters:

  • ​T (Copyable): The type of the platform-specific value.
  • ​operation (Optional[String]): Optional operation name for error messages.
  • ​linux (Optional[T]): The value to use on Linux platforms.
  • ​macos (Optional[T]): The value to use on macOS platforms.

Returns:

T: The platform-specific value for the current target.