size—a valid array dimension.
initial-element—a character. The default is implementation-dependent.
element-type—a type specifier.
The default is character
.
string—a simple string.
make-string
returns a simple string of length size
whose elements have been initialized to initial-element.
The element-type names the type of the elements of the string; a string is constructed of the most specialized type that can accommodate elements of the given type.
(make-string 10 :initial-element #\5) → "5555555555" (length (make-string 10)) → 10
The implementation.