- environment-remove! ENV SYMBOLS #!optional SILENT? INEXTENSIBLE?procedure
Removes bindings SYMBOLS in environment ENV.
SYMBOLS is a list of symbol, or a symbol.
SILENT? is a boolean. Default is #f.
INEXTENSIBLE? is a boolean. Default is #t.
Wiil not remove from an inextensible environment, unless INEXTENSIBLE? is #t.
It is an error to attempt to remove an undefined symbol, unless SILENT? is #t.
It is an error to attempt to remove from an inextensible environment when INEXTENSIBLE? is #f, unless SILENT? is #t.