<=[[4rpl:start| Index]] ====== Set Variable by reference ====== ===== Syntax ===== <-varname ->! ===== Description ===== Pops a value from the stack and treats it as a variable name, then pops another value from the stack and assigns it to that variable. ===== Examples ===== # Build a string by concatenating "xy" and "z". # Store the number 123 in the variable named "xyz". 123 "xy" "z" concat ->! <-xyz trace ~~NOTOC~~