From 0e1cd2b6a328887c1a630eae0b34366a607bb1b8 Mon Sep 17 00:00:00 2001 From: Sam Anthony Date: Sat, 29 Jul 2023 10:37:40 -0230 Subject: refactor --- stack.go | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 stack.go (limited to 'stack.go') diff --git a/stack.go b/stack.go new file mode 100644 index 0000000..182d418 --- /dev/null +++ b/stack.go @@ -0,0 +1,16 @@ +package main + +type Stack []float64 + +func (s *Stack) push(v float64) { + *s = append(*s, v) +} + +func (s *Stack) pop() *float64 { + if len(*s) > 0 { + v := (*s)[len(*s)-1] + *s = (*s)[:len(*s)-1] + return &v + } + return nil +} -- cgit v1.2.3