[1]> (+ (expt 2 32) (expt 2 32)) 8589934592 Numeric overflow is a choice. Even a 16-bit program that might have had a 32-bit ALU could simply decide to suppo

[1]> (+ (expt 2 32) (expt 2 32)) 8589934592 Numeric overflow is a choice. Even a 16-bit program that might have had a 32-bit ALU could simply decide to support larger numbers rather than producing something meaningless and dangerous. def retry(block: =>T): T = ??? Half of what I missed about macros is being able to control (re)evaluation of an expression, and call by name handles that really well.