$functions  –  Mapping of Function Names to Definitions

$functions maps function names to their definitions. Adding or removing from this array will change the available functions in the shell environment.

Links

• The Z Shell manual

Examples

Define and Unset a Function

1 2 3 4 5 6 7

say() { echo hello world; } # print function definition echo ${functions[say]} # remove function definition unset "functions[say]" # attempt to use unavailable function say

Output:

1 2	echo hello world zsh: command not found: say