// Returns the operation in the graph with `oper_name`. Returns nullptr if
// no operation found.
TF_CAPI_EXPORT extern TF_Operation* TF_GraphOperationByName(
    TF_Graph* graph, const char* oper_name);

// Iterate through the operations of a graph.  To use:
// size_t pos = 0;
// TF_Operation* oper;
// while ((oper = TF_GraphNextOperation(graph, &pos)) != nullptr) {
//   DoSomethingWithOperation(oper);
// }

and-butter--'

  `But what did the Dormouse say?' one of the jury asked.

  `That I can't remember,' said the Hatter.

  `You MUST remember,' remarked the King, `or I'll have you
executed.'

  The miserable Hatter dropped his teacup and bread-and-butter,
and went down on one knee.  `I'm a poor man, your Majesty,' he
began.

  `You're a very poor speaker,' said the King.

variables rather than sharing the same variables in each iteration.
</li>
<li>
A "for" statement with <a href="#For_range">"range" clause</a> may iterate over
integer values from zero to an upper limit.
</li>
</ul>

<h4 id="Go_1.23">Go 1.23</h4>
<ul>
<li>A "for" statement with <a href="#For_range">"range" clause</a> accepts an iterator

pkg go/token, method (*FileSet) AddFile(string, int, int) *File
pkg go/token, method (*FileSet) Base() int
pkg go/token, method (*FileSet) File(Pos) *File
pkg go/token, method (*FileSet) Iterate(func(*File) bool)
pkg go/token, method (*FileSet) Position(Pos) Position
pkg go/token, method (*FileSet) Read(func(interface{}) error) error
pkg go/token, method (*FileSet) Write(func(interface{}) error) error