initial commits

sp/byte_tolerant.go

@@ -0,0 +1,13 @@
+package sp
+
+// ByteIsSpacingTolerant is a more tolerant version of ByteIsSpacing.
+// Where ByteIsSpacing only returns whether the byte is a 'SP' (spacing) character, as defined by IETF RFC-2616:
+//
+//      SP = <US-ASCII SP, space (32)>
+//
+// ByteIsSpacingTolerant also allows:
+//
+//	HT = <US-ASCII HT, horizontal-tab (9)>
+func ByteIsSpacingTolerant(value byte) bool {
+	return ' ' == value || '\t' == value
+}

sp/rune_tolerant.go

@@ -0,0 +1,13 @@
+package sp
+
+// RuneIsSpacingTolerant is a more tolerant version of RuneIsSpacing.
+// Where RuneIsSpacing only returns whether the rune is a 'SP' (spacing) character, as defined by IETF RFC-2616:
+//
+//      SP = <US-ASCII SP, space (32)>
+//
+// RuneIsSpacingTolerant also allows:
+//
+//	HT = <US-ASCII HT, horizontal-tab (9)>
+func RuneIsSpacingTolerant(value rune) bool {
+	return ' ' == value || '\t' == value
+}