feat: impl Show for Failure

moonbitlang · Dec 25, 2024 · faa2e92 · faa2e92
1 parent 9cb4c07
commit faa2e92
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diff --git a/builtin/builtin.mbti b/builtin/builtin.mbti
@@ -179,6 +179,7 @@ impl BigInt {
 impl Show for BigInt
 
 pub(all) type! Failure String
+impl Show for Failure
 
 type Hasher
 impl Hasher {

diff --git a/builtin/show.mbt b/builtin/show.mbt
@@ -136,6 +136,18 @@ pub impl Show for String with output(self, logger) {
 ///|
 pub impl Show for String with to_string(self) { self }
 
+///|
+pub impl Show for Failure with to_string(self) {
+  let Failure(msg) = self
+  msg
+}
+
+///|
+pub impl Show for Failure with output(self, logger) {
+  let Failure(msg) = self
+  msg.output(logger)
+}
+
 ///|
 /// Returns a valid MoonBit string literal representation of a string,
 /// add quotes and escape special characters.