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Fix layout of LambdaExp string patterns #205

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Merged
melsman merged 1 commit into from
Feb 16, 2026
Merged

Fix layout of LambdaExp string patterns #205

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2 changes: 1 addition & 1 deletion src/Compiler/Lambda/LambdaExp.sml
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Expand Up @@ -1017,7 +1017,7 @@ structure LambdaExp : LAMBDA_EXP =
| SWITCH_W {switch, precision, tyname} =>
layoutSwitch layoutLambdaExp (fn w => "0x" ^ IntInf.fmt StringCvt.HEX w) switch
| SWITCH_S sw =>
layoutSwitch layoutLambdaExp (fn x => x) sw
layoutSwitch layoutLambdaExp (fn x => "\"" ^ String.toString x ^ "\"") sw
| SWITCH_C sw =>
let fun unwildify (sw as SWITCH(lamb as VAR{lvar,...},rules,SOME e)) =
(case e of
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1 change: 1 addition & 0 deletions test/barry/string.out.ok
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Expand Up @@ -39,3 +39,4 @@ test22 OK
test23 OK
test24 OK
test25 OK
test26 OK
7 changes: 7 additions & 0 deletions test/barry/string.sml
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Expand Up @@ -371,4 +371,11 @@ val test25 =
andalso not (isPrefix "Abcde" "abcde")
andalso not (isPrefix "abcdE" "abcde"))

val test26 =
tst' "test26" (fn _ =>
case "foo" of
"bar" => false
| "baz" => false
| "foo" => true
| _ => false)
end
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