Merge pull request #6 from viniciusfdasilva/dev

Insert string.v file

03_variables/numbers.v

@@ -0,0 +1,39 @@
+pub fn main() 
+{
+	a := 123
+	d := 0x7B
+	b := 0b01111011
+	c := 0o123
+	
+	assert a == 123
+	assert d == 0x7B
+	assert b == 0b1111011
+	assert c == 0o123
+	
+	num := 1_000_000
+	three := 0b0_11
+	hexa := 0xF_F
+	oct := 0o17_3
+
+	assert num == 1_000_000
+	assert three == 0b0_11
+	assert hexa == 0xF_F
+	assert oct == 0o17_3
+
+	a1 := i64(123)
+	b1 := u8(42)
+	c1 := i16(12345)
+
+	assert a1 == 123
+	assert b1 == 42
+	assert c1 == 12345
+
+	f0 := 42e1
+	f1 := 123e-2
+	f2 := 456e+2
+
+	assert f0 == 42e1
+	assert f1 == 123e-2
+	assert f2 == 456e+2
+	
+}

03_variables/runes.v

@@ -0,0 +1,21 @@
+pub fn main()
+{
+	rocket := `🚀`
+	assert rocket.str() == '🚀'
+	println(rocket)
+
+	assert rocket.bytes() == [u8(0xf0),0x9f, 0x9a,0x80]
+
+	assert `\x61`   == `a`
+	//assert `\x141`  == `a`
+	//assert `\x0061` == `a`
+
+	rocket_string := '🚀'
+	assert rocket_string[0] != `🚀`
+	assert 'aloha!'[0] == `a`
+
+	hello := 'Hello World 👋'
+	hello_runes := hello.runes()
+	assert hello_runes.string() == hello
+
+}

03_variables/strings.v

@@ -0,0 +1,82 @@
+pub fn main()
+{
+	mut name := 'Bob'
+
+	assert name.len == 3
+	assert name[0] == u8(66)
+	assert name[1..3] == 'ob'
+
+	windows_newline := '\r\n'
+	assert windows_newline.len == 2
+
+	aardvark_str := '\x61ardvark'
+	assert aardvark_str == 'aardvark'
+	assert '\xc0'[0] == u8(0xc0)
+
+	aardvark_str2 := '\141ardvark'
+	assert aardvark_str2 == 'aardvark'
+
+	start_str := '\u2605'
+	//assert start_str == '*'
+	assert start_str == '\xe2\x98\x85'
+	
+	s := 'hello 🌎'
+	arr := s.bytes()
+
+	assert s.len == 10
+
+	s2 := arr.bytestr()
+	assert s2 == s
+
+	mut s1 := 'hello 🌎'
+	assert s1 == 'hello 🌎'
+	// s1[0] = 'H' Not allowed
+
+	country := 'Netherlands'
+	println(country[0])
+	println(country[0].ascii_str())
+
+	s3 := r'hello\nworld'
+	println(s3)
+
+	s4 := '42'
+	n := s4.int()
+
+	assert n == 42
+
+	assert '0xc3'.int() == 195
+	assert '0o10'.int() == 8
+	assert '0b1111_0000_1010'.int() == 3850
+	assert '-0b1111_0000_1010'.int() == -3850
+
+	name = 'Bob'
+	println('Hello, ${name}!')
+
+	x := 123.4567
+
+	println('[${x:.2}]')
+	println('[${x:10}]')
+	println('[${int(x):-10}]')
+	println('[${int(x):010}]')
+	println('[${int(x):b}]')
+	println('[${int(x):o}]')
+	println('[${int(x):X}]')
+	println('[${10.0000:.2}]')
+	println('[${10.0000:.2f}]')
+
+	name = 'Bob'
+	bobby := name + 'by'
+	println(bobby)
+	mut s5 := 'hello '
+	s5 += 'world'
+	println(s5)
+
+	age := 10
+	println('age = ${age}')
+	age1 := 11
+	println('age = ${age1.str()}')
+	age2 := 12
+	println('age = ${age2}')
+
+
+}

06_repetitions/for.v

@@ -1,4 +1,3 @@
-
 pub fn main() {
 
 	// ==================================== //

07_collections/arrays.v

@@ -0,0 +1,86 @@
+pub fn main()
+{
+	mut nums := [1,2,3]
+
+	println(nums)
+	println(nums[0])
+	println(nums[1])
+
+	nums[1] = 5
+	println(nums)
+
+	// ===================================== //
+
+	nums << 4
+	println(nums)
+
+	mut names := ['John']
+	names << 'Peter'
+	names << 'Sam'
+	println(names)
+
+	names1 := ['John', 'Peter', 'Sam']
+	println('Alex' in names1)
+
+	// ===================================== //
+
+	mut nums1 := [1,2,3]
+	println('len ${nums1.len}')
+	println('cap ${nums1.cap}')
+
+	nums1 = []
+
+	println('len ${nums1.len}')
+	println('cap ${nums1.cap}')
+
+	// ===================================== //
+
+	mut a := []int{len: 10000, cap: 30000, init: 3}
+
+	println(a[0])
+
+	// ===================================== //
+
+	arr := []int{len: 5, init: -1} // [-1,-1,-1,-1,-1]
+	users := []int{} // Empty
+
+	assert arr.len == 5
+	assert users == []
+
+	mut numbers := []int{cap: 1000}
+
+	println(numbers.len)
+
+	for i in 0 .. 1000 {
+		numbers << i
+	}
+
+	// ===================================== //
+
+	count := []int{len: 4, init: index}
+	assert count == [0,1,2,3]
+	mut square := []int{len: 6, init: index * index}
+	assert square[2] == 4
+
+	mut object_list := []ObjectSumType{}
+	object_list << Point{1,1}
+	object_list << Line{
+			p1 : Point{3,3}
+			p2 : Point{4,4}
+	}
+
+	dump(object_list)
+
+}
+
+type ObjectSumType = Line | Point
+
+struct Point{
+	x int
+	y int
+}
+
+struct Line{
+	p1 Point
+	p2 Point
+}