unicode/bidi: remove unused global

It seems like controlToClass variable is not used anymore. As it allocates in init we should remove it. Before: init golang.org/x/text/unicode/bidi @0.70 ms, 0.003 ms clock, 272 bytes, 2 allocs After: init golang.org/x/text/unicode/bidi @0.79 ms, 0 ms clock, 0 bytes, 0 allocs Change-Id: I79b236feb841c45908431cdb440bd1f4eb082d00 Reviewed-on: https://go-review.googlesource.com/c/text/+/449595 Run-TryBot: Ian Lance Taylor <[email protected]> Auto-Submit: Ian Lance Taylor <[email protected]> Reviewed-by: Michael Knyszek <[email protected]> Run-TryBot: Ian Lance Taylor <[email protected]> Reviewed-by: Ian Lance Taylor <[email protected]> TryBot-Result: Gopher Robot <[email protected]>
golang · Nov 10, 2022 · c8236a6 · c8236a6
1 parent ada7473
commit c8236a6
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diff --git a/unicode/bidi/gen_trieval.go b/unicode/bidi/gen_trieval.go
@@ -42,18 +42,6 @@ const (
 	unknownClass = ^Class(0)
 )
 
-var controlToClass = map[rune]Class{
-	0x202D: LRO, // LeftToRightOverride,
-	0x202E: RLO, // RightToLeftOverride,
-	0x202A: LRE, // LeftToRightEmbedding,
-	0x202B: RLE, // RightToLeftEmbedding,
-	0x202C: PDF, // PopDirectionalFormat,
-	0x2066: LRI, // LeftToRightIsolate,
-	0x2067: RLI, // RightToLeftIsolate,
-	0x2068: FSI, // FirstStrongIsolate,
-	0x2069: PDI, // PopDirectionalIsolate,
-}
-
 // A trie entry has the following bits:
 // 7..5  XOR mask for brackets
 // 4     1: Bracket open, 0: Bracket close

diff --git a/unicode/bidi/trieval.go b/unicode/bidi/trieval.go