Correct typo in names of "IsPrerelease" methods

Previously, the method names contained an incorrect spelling of "prerelease".

Author: per1234

relaxed_version.go

@@ -119,13 +119,13 @@ func (v *RelaxedVersion) SortableString() string {
 	return ":" + string(v.customversion)
 }
 
-// IsPrerelase returns true if the version is valid semver and has a pre-release part
+// IsPrerelease returns true if the version is valid semver and has a pre-release part
 // otherwise it returns false.
-func (v *RelaxedVersion) IsPrerelase() bool {
+func (v *RelaxedVersion) IsPrerelease() bool {
 	if v.version == nil {
 		return false
 	}
-	return v.version.IsPrerelase()
+	return v.version.IsPrerelease()
 }
 
 // Prerelease returns the pre-release part of the version if the version is valid semver

version.go

@@ -495,14 +495,14 @@ func (v *Version) SortableString() string {
 	return res
 }
 
-// IsPrerelase returns true if the version has a pre-release part
-func (v *Version) IsPrerelase() bool {
+// IsPrerelease returns true if the version has a pre-release part
+func (v *Version) IsPrerelease() bool {
 	return v.prerelease != v.patch
 }
 
 // Prerelease returns the pre-release part of the version
 func (v *Version) Prerelease() string {
-	if !v.IsPrerelase() {
+	if !v.IsPrerelease() {
 		return ""
 	}
 	return v.raw[v.patch+1 : v.prerelease]

version_test.go

@@ -333,13 +333,13 @@ func TestVersionGetters(t *testing.T) {
 	for _, tt := range tests {
 		v := MustParse(tt.version)
 		require.Equal(t, tt.version, v.String())
-		require.Equal(t, tt.prerelease != "", v.IsPrerelase())
+		require.Equal(t, tt.prerelease != "", v.IsPrerelease())
 		require.Equal(t, tt.prerelease, v.Prerelease())
 		require.Equal(t, tt.build != "", v.HasBuildMetadata())
 		require.Equal(t, tt.build, v.BuildMetadata())
 		r := ParseRelaxed(tt.version)
 		require.Equal(t, tt.version, r.String())
-		require.Equal(t, tt.prerelease != "", r.IsPrerelase())
+		require.Equal(t, tt.prerelease != "", r.IsPrerelease())
 		require.Equal(t, tt.prerelease, r.Prerelease())
 		require.Equal(t, tt.build != "", r.HasBuildMetadata())
 		require.Equal(t, tt.build, r.BuildMetadata())
@@ -355,7 +355,7 @@ func TestVersionGetters(t *testing.T) {
 		require.Nil(t, v)
 		r := ParseRelaxed(tt.version)
 		require.Equal(t, tt.version, r.String())
-		require.Equal(t, tt.prerelease != "", r.IsPrerelase())
+		require.Equal(t, tt.prerelease != "", r.IsPrerelease())
 		require.Equal(t, tt.prerelease, r.Prerelease())
 		require.Equal(t, tt.build != "", r.HasBuildMetadata())
 		require.Equal(t, tt.build, r.BuildMetadata())