From 551613765c9e60e2221ac920d2756b949e68f373 Mon Sep 17 00:00:00 2001 From: Charlie Stanton Date: Fri, 12 May 2023 11:37:44 +0100 Subject: Move reading and writing of tokens into a separate package to prepare for other input and output formats --- walk/atom.go | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'walk/atom.go') diff --git a/walk/atom.go b/walk/atom.go index 13ad2ff..dfe5fe4 100644 --- a/walk/atom.go +++ b/walk/atom.go @@ -43,12 +43,24 @@ func NewAtomNumber(v float64) Atom { data: math.Float64bits(v), } } +func (v Atom) Number() float64 { + if v.Typ != AtomNumber { + panic("Tried to use non-number as number") + } + return math.Float64frombits(v.data) +} func NewAtomTerminal(v ValueTerminal) Atom { return Atom { Typ: AtomTerminal, data: uint64(v), } } +func (v Atom) Terminal() ValueTerminal { + if v.Typ != AtomTerminal { + panic("Tried to use non-terminal as terminal") + } + return ValueTerminal(v.data) +} func NewAtomStringTerminal() Atom { return Atom { Typ: AtomStringTerminal, -- cgit v1.2.3