Renamed 'EPSILON' to 'epsilon' to avoid exporting

regex/nfa.go

@@ -5,7 +5,7 @@ import (
 	"slices"
 )
 
-const EPSILON int = 0xF0000
+const epsilon int = 0xF0000
 
 type assertType int
 
@@ -276,7 +276,7 @@ func kleene(s1 nfaState) (*nfaState, error) {
 
 	toReturn := &nfaState{}
 	toReturn.transitions = make(map[int][]*nfaState)
-	toReturn.content = newContents(EPSILON)
+	toReturn.content = newContents(epsilon)
 	toReturn.isEmpty = true
 	toReturn.isKleene = true
 	toReturn.output = append(toReturn.output, toReturn)
@@ -307,7 +307,7 @@ func alternate(s1 *nfaState, s2 *nfaState) *nfaState {
 	for _, c := range s2.content {
 		toReturn.transitions[c], _ = unique_append(toReturn.transitions[c], s2)
 	}
-	toReturn.content = newContents(EPSILON)
+	toReturn.content = newContents(epsilon)
 	toReturn.isEmpty = true
 
 	return toReturn
@@ -316,7 +316,7 @@ func alternate(s1 *nfaState, s2 *nfaState) *nfaState {
 func question(s1 *nfaState) *nfaState { // Use the fact that ab? == a(b|)
 	s2 := &nfaState{}
 	s2.transitions = make(map[int][]*nfaState)
-	s2.content = newContents(EPSILON)
+	s2.content = newContents(epsilon)
 	s2.output = append(s2.output, s2)
 	s2.isEmpty = true
 	s3 := alternate(s1, s2)
@@ -341,7 +341,7 @@ func newState() nfaState {
 // Creates and returns a state that _always_ has a zero-length match.
 func zeroLengthMatchState() nfaState {
 	start := newState()
-	start.content = newContents(EPSILON)
+	start.content = newContents(epsilon)
 	start.isEmpty = true
 	start.assert = alwaysTrueAssert
 	return start