Nothing
.initLogicalFunctions <- function(){
## Unary
.fdefine('invert', \() {.doword('apply', `!`, 1L)})
.fdefine('or', \() {.doword('apply', `|`, 2L)})
.fdefine('and', \() {.doword('apply', `&`, 2L)})
.fdefine('xor', \() {.doword('apply', `xor`, 2L)})
.fdefine('0=', \() {.doword('apply', \(x) x==0, 1L)})
.fdefine('0<', \() {.doword('apply', \(x) x>0, 1L)})
.fdefine('0>', \() {.doword('apply', \(x) x<0, 1L)})
## Binary
.fdefine('<', \() {.doword('apply', `<`, 2L)})
.fdefine('<=', \() {.doword('apply', `<=`, 2L)})
.fdefine('>', \() {.doword('apply', `>`, 2L)})
.fdefine('>=', \() {.doword('apply', `>=`, 2L)})
.fdefine('=', \() {.doword('apply', `==`, 2L)})
.fdefine('<>', \() {.doword('apply', `!=`, 2L)})
}
.initLogicalAliases <- function(){
## Unary
.falias('not', 'invert')
.falias('~', 'invert')
.falias('&', 'and')
.falias('|', 'or')
## Binary
.falias('equal', '=')
.falias('eq', '=')
.falias('!=', '<>')
.falias('neq', '<>')
.falias('gr', '<')
.falias('lt', '>')
.falias('geq', '<=')
.falias('leq', '>=')
}
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