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Golang is a strongly typed programming language with built-in various operators to perform mathematical and logical operations. In this article, we will discuss various operators in Golang in detail.
Golang supports basic arithmetic operators, such as addition (), subtraction (-), multiplication (*), division (/) and modulo (%). These operators are similar to those found in most other programming languages. Here are some examples:
a := 10 b := 5 // 加法 c := a + b // c的值为15 // 减法 c = a - b // c的值为5 // 乘法 c = a * b // c的值为50 // 除法 c = a / b // c的值为2 // 取模 c = a % b // c的值为0
Relational operators in Golang are used to compare the relationship between two values, and the return result is a Boolean value, that is, true or false. Relational operators include equal (==), not equal (!=), greater than (>), less than (<), greater than or equal to (>=), and less than or equal to (<=). Here are some examples:
a := 10 b := 5 // 等于 c := a == b // c的值为false // 不等于 c := a != b // c的值为true // 大于 c := a > b // c的值为true // 小于 c := a < b // c的值为false // 大于等于 c := a >= b // c的值为true // 小于等于 c := a <= b // c的值为false
Logical operators in Golang are used to combine two or more conditions and return the result as a Boolean value. Logical operators include logical AND (&&), logical OR (||) and logical NOT (!). Here are some examples:
a := true b := false // 逻辑与 c := a && b // c的值为false // 逻辑或 c := a || b // c的值为true // 逻辑非 c := !a // c的值为false
Bit operators in Golang are used to operate on binary data. Bitwise operators include bitwise AND (&), bitwise OR (|), bitwise XOR (^), left shift (<<) and right shift (>>). Here are some examples:
a := 10 // 二进制为1010 b := 5 // 二进制为0101 // 按位与 c := a & b // c的值为0000,即0 // 按位或 c = a | b // c的值为1111,即15 // 按位异或 c = a ^ b // c的值为1111,即15 // 左移 c = a << 1 // c的值为20,即10100 // 右移 c = a >> 1 // c的值为5,即0101
Assignment operator in Golang is used to assign a value to a variable. Assignment operators include equal (=), plus equal (=), subtraction equal (-=), multiplication equal (*=), division equal (/=), modulo equal (%=), bitwise AND equal (& =), bitwise OR equal (|=), bitwise XOR equal (^=), left shift equal (<<=) and right shift equal (>>=). Here are some examples:
a := 10 b := 5 // 等于 c := a // c的值为10 // 加等于 a += b // a的值为15 // 减等于 a -= b // a的值为10 // 乘等于 a *= b // a的值为50 // 除等于 a /= b // a的值为10 // 取模等于 a %= b // a的值为0 // 按位与等于 a &= b // a的值为0 // 按位或等于 a |= b // a的值为5 // 按位异或等于 a ^= b // a的值为10 // 左移等于 a <<= 2 // a的值为40 // 右移等于 a >>= 1 // a的值为20
Golang also supports some other operators, including address operator (&), pointer operator (*) and assertion operator (assert )wait. These operators are commonly used in high-level programming and we will not discuss them in detail.
The above are the various operators supported in Golang. Mastering these operators is very important to write efficient Golang code.
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