public isNumberStart(line as String, index as Long) as Boolean
Checks whether a numeric literal starts at index in line.
| Parameter | Description |
|---|---|
line | Source line text. |
index | Zero-based index in line. |
true when line[index] starts a numeric literal.
import klyn.code
t = CodeTokenizer(LanguageProfile("klyn", "Klyn"))
assert t.isNumberStart("42", 0)
assert t.isNumberStart(".5", 0)