$T is substituted with the type variable "T" when the

[piascikj]

gradient function MatMul is instantiated.

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opened via imdone.io from a code comment on 8cb6e53

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tensorflow/tensorflow/core/framework/function.h

Lines 647 to 654 in 8cb6e53

	// NOTE: $T is substituted with the type variable "T" when the
	// gradient function MatMul is instantiated.
	//
	// TODO(zhifengc): Better documentation somewhere.
	// Macros to define a gradient function factory for a primitive
	// operation.
	#define REGISTER_OP_GRADIENT(name, fn) \