Go Language Survey

Go_Survey_1_13.md

Go Popularity Contest

A survey of the Go 1.13 source code tree.

Go survey

Processing summary

Count	Units	Detail
50	files	source code groups
4191	files	original source code files
1861357	lines	14762448 per sec
9788546	tokens	77633092 per sec
53577910	bytes	424927135 per sec
0.126087	seconds	read/lex/tabulate/sort/select
36	workers	(parallel speedup = 17.49 x with SMT)

Comment style popularity

Count	Frequency	Detail
248474	95.6696%	line (//…'\n')
11247	4.3304%	general (/…/)
259721	100.0000%	total

String style popularity

Count	Frequency	Detail
197789	95.5133%	quoted ("…")
9291	4.4867%	raw (`…`)
207080	100.0000%	total

Numeric base popularity

Count	Frequency	Detail
439329	52.2812%	prefixed hexadecimal (/0[xX][0-9a-fA-F]+/)
398286	47.3970%	decimal (/0|([1-9][0-9]*)/)
2692	0.3204%	legacy octal (/0[0-7]+/)
12	0.0014%	prefixed binary (/0[bB][0-1]+/)
840319	100.0000%	total

Reserved keyword popularity

Count	Frequency	Detail
122941	26.9402%	if
85797	18.8008%	return
63671	13.9523%	func
34873	7.6418%	break
29502	6.4648%	for
23488	5.1469%	case
19791	4.3368%	var
11962	2.6212%	type
10860	2.3798%	struct
9162	2.0077%	range
7502	1.6439%	else
5365	1.1756%	const
4548	0.9966%	switch
4191	0.9184%	package
4088	0.8958%	defer
3584	0.7854%	continue
3312	0.7258%	import
2966	0.6499%	map
2366	0.5185%	interface
2240	0.4909%	default
1656	0.3629%	chan
1280	0.2805%	go
514	0.1126%	goto
449	0.0984%	select
178	0.0390%	fallthrough
62	0.0136%	try
456348	100.0000%	total

Predefined type popularity

Count	Frequency	Detail
33318	16.3372%	int
31310	15.3526%	uintptr
24882	12.2007%	string
20652	10.1266%	byte
18168	8.9085%	uint32
14458	7.0894%	uint16
13696	6.7157%	bool
12261	6.0121%	int64
11041	5.4139%	uint64
8817	4.3234%	int32
5941	2.9131%	uint8
2001	0.9812%	float64
1993	0.9773%	int8
1807	0.8860%	uint
1671	0.8194%	int16
1117	0.5477%	rune
494	0.2422%	float32
234	0.1147%	complex128
78	0.0382%	complex64
203939	100.0000%	total

Other predefined popularity

Count	Frequency	Detail
46645	38.6720%	nil
26633	22.0806%	true
17741	14.7085%	len
10227	8.4789%	false
5129	4.2523%	make
4838	4.0110%	append
2798	2.3197%	new
2053	1.7021%	panic
1178	0.9766%	print
933	0.7735%	copy
543	0.4502%	close
436	0.3615%	iota
386	0.3200%	cap
247	0.2048%	delete
242	0.2006%	println
233	0.1932%	recover
148	0.1227%	complex
105	0.0871%	imag
102	0.0846%	real
120617	100.0000%	total

Operator popularity

Count	Frequency	Detail
930962	19.1409%	,
583231	11.9914%	.
545516	11.2160%	(
545516	11.2160%	)
443619	9.1210%	=
409363	8.4166%	:
353023	7.2583%	{
353023	7.2583%	}
138595	2.8496%	[
138595	2.8496%	]
78663	1.6173%	!=
72111	1.4826%	*
35812	0.7363%	==
29691	0.6105%	-
28761	0.5913%	&
27622	0.5679%	+
24615	0.5061%	&&
21700	0.4462%	;
16410	0.3374%	|
15206	0.3126%	!
10694	0.2199%	<
9404	0.1933%	<<
8100	0.1665%	||
7425	0.1527%	>
6835	0.1405%	++
4481	0.0921%	>>
3871	0.0796%	+=
3542	0.0728%	<=
3412	0.0702%	>=
3035	0.0624%	<-
2667	0.0548%	/
1796	0.0369%	|=
1767	0.0363%	%
1257	0.0258%	^
1053	0.0217%	--
779	0.0160%	-=
284	0.0058%	&^
262	0.0054%	>>=
236	0.0049%	*=
224	0.0046%	^=
188	0.0039%	&^=
151	0.0031%	&=
125	0.0026%	<<=
100	0.0021%	/=
12	0.0002%	%=
4863734	100.0000%	total

Identifier subtype

Count	Frequency	Detail
2821663	99.9986%	ASCII-only
39	0.0014%	Unicode
2821702	100.0000%	total

Package name popularity

Count	Frequency	Detail
324	7.7309%	runtime
279	6.6571%	main
258	6.1560%	unix
247	5.8936%	syscall
182	4.3426%	net
97	2.3145%	ssa
77	1.8373%	os
76	1.8134%	gc
65	1.5509%	p
60	1.4316%	sys
50	1.1930%	math
49	1.1692%	runtime_test
43	1.0260%	big
42	1.0021%	types
37	0.8828%	poll
35	0.8351%	http
34	0.8113%	cpu
34	0.8113%	template
29	0.6920%	route
29	0.6920%	syntax
29	0.6920%	windows
29	0.6920%	x509
27	0.6442%	ld
26	0.6204%	race_test
24	0.5727%	tls
20	0.4772%	time
19	0.4534%	rand
18	0.4295%	json
18	0.4295%	objabi
18	0.4295%	os_test
17	0.4056%	driver
17	0.4056%	obj
1882	44.9058%	(1882 more with 513 unique values)
4191	100.0000%	total

ASCII Identifier popularity

Count	Frequency	Detail
104854	4.5910%	v
72708	3.1835%	err
51343	2.2480%	Args
37261	1.6314%	i
33517	1.4675%	s
30302	1.3268%	AddArg
26848	1.1755%	e1
26434	1.1574%	n
23410	1.0250%	AuxInt
20934	0.9166%	Op
17913	0.7843%	error
16637	0.7284%	v0
16009	0.7009%	Pointer
14847	0.6501%	Type
14243	0.6236%	v_0
13610	0.5959%	name
13596	0.5953%	Errorf
12340	0.5403%	value
11934	0.5225%	_p0
11874	0.5199%	want
11398	0.4991%	Errno
11199	0.4903%	lo
11143	0.4879%	reset
11006	0.4819%	Pos
10908	0.4776%	v_1
10647	0.4662%	typ
10311	0.4515%	fn
9873	0.4323%	in
9428	0.4128%	hi
9111	0.3989%	buf
8905	0.3899%	NewValue0
8675	0.3798%	Aux
1590704	69.6479%	(1590704 more with 101302 unique values)
2283922	100.0000%	total

Unicode Identifier popularity

Count	Frequency	Detail
8	20.5128%	ŝ
8	20.5128%	ε
4	10.2564%	µs
4	10.2564%	ΦExported
4	10.2564%	χ2
3	7.6923%	θ
2	5.1282%	ΦType
2	5.1282%	φType
2	5.1282%	φUnexported
1	2.5641%	Aβ
1	2.5641%	À
39	100.0000%	total

Rune constant popularity

Count	Frequency	Detail
508	4.6627%	'0'
476	4.3690%	'\n'
374	3.4328%	' '
349	3.2033%	'a'
327	3.0014%	'.'
246	2.2579%	'A'
224	2.0560%	'-'
221	2.0285%	'/'
219	2.0101%	'x'
200	1.8357%	'g'
174	1.5971%	'9'
173	1.5879%	'"'
157	1.4410%	'_'
148	1.3584%	'f'
146	1.3401%	'\t'
140	1.2850%	'Z'
137	1.2575%	'+'
129	1.1840%	'\'
124	1.1381%	':'
122	1.1198%	'\r'
121	1.1106%	'e'
113	1.0372%	'z'
111	1.0188%	'b'
107	0.9821%	'*'
105	0.9637%	'm'
101	0.9270%	'['
100	0.9179%	'('
90	0.8261%	')'
88	0.8077%	'p'
86	0.7894%	'='
84	0.7710%	'''
83	0.7618%	'r'
5112	46.9206%	(5112 more with 1708 unique values)
10895	100.0000%	total