1
1_1
1_1_1
0b10_01
0o1_2_3
0x123456789abcdef
012_345.678_9e+10_f64

----------------------------------------------------

[
	["number", "1"],
	["number", "1_1"],
	["number", "1_1_1"],
	["number", "0b10_01"],
	["number", "0o1_2_3"],
	["number", "0x123456789abcdef"],
	["number", "012_345.678_9e+10_f64"]
]

----------------------------------------------------

Checks for number literals.