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Diffstat (limited to 'abi/map_select_swiss.go')
| -rw-r--r-- | abi/map_select_swiss.go | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/abi/map_select_swiss.go b/abi/map_select_swiss.go new file mode 100644 index 0000000..88a0bb2 --- /dev/null +++ b/abi/map_select_swiss.go @@ -0,0 +1,22 @@ +// Copyright 2024 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build goexperiment.swissmap + +package abi + +// Select the map type that this binary is built using. This is for common +// lookup methods like Type.Key to know which type to use. +// +// Note that mapType *must not be used by any functions called in the +// compiler to build a target program* because the compiler must use the map +// type determined by run-time GOEXPERIMENT, not the build tags used to build +// the compiler. +// +// TODO(prattmic): This package is rather confusing because it has many +// functions that can't be used by the compiler (e.g., Type.Uncommon depends on +// the layout of type + uncommon objects in the binary. It would be incorrect +// for an ad-hoc local Type object). It may be best to move code that isn't +// usable by the compiler out of the package. +type mapType = SwissMapType |