Course of Raku / Essentials / Functions essentials / Creating and calling functions / Function names

Quiz — function names

Choose the names which are valid function names.

1	f	One-letter names are fine.
1	say	Note that this coincides with the name of a built-in routine.
1	_f	May informally indicate some restrictions on using this function.
0	42answer	A name cannot start with a digit.
0	-a_b_c-	No way.
1	check-if-that-is-correct	A perfectly valid name.
1	OK	OK.
1	CheckIfOK	Also fine.

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