Build text parser

2022-01-20 17:00:00 +01:00
parent 647c5cdf00
commit 7c16ece752
8 changed files with 126 additions and 5 deletions
--- a/src/parser/utils.nim
+++ b/src/parser/utils.nim
@@ -19,3 +19,13 @@ proc initStringBuilder*(str: string): StringBuilderResult =
    parser: initParser(str),
    tree: newSeq[StringBuilderT](),
  )))
+
+proc fold*[T, E, T2](
+  self: Result[T, E],
+  onError: E -> T2,
+  onSuccess: T -> T2,
+): T2 =
+  if self.isOk():
+    onSuccess(self.unsafeGet())
+  else:
+    onError(self.error())