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comment on the nature of truth and falsehood

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David 2021-02-20 18:59:41 -05:00
parent 048557caf2
commit fee9325155
1 changed files with 6 additions and 0 deletions
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6
builtins.go
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@ -7,7 +7,13 @@ import (
"os" "os"
) )
// FALSE is a flag for, what else, false
var FALSE = 0 var FALSE = 0
// TRUE is a flag for, what else, true.
// It's -1 because historically, FORTHs would define TRUE as "all bits set to 1 in a cell",
// and interpreting that literally flips the sign flag in a signed integer.
// More generally, TRUE is defined as "not FALSE" for most purposes, and any non-zero integer will work.
var TRUE = -1 var TRUE = -1
// Builtins is a handy holder for our various default words // Builtins is a handy holder for our various default words