Basics
Go Data Types
Go Data Types
Go data types include int string and bool with explicit typing.
Introduction to Go Data Types
In the Go programming language, understanding data types is fundamental. Go provides a rich set of built-in data types that can be divided into several categories such as numeric types, string types, and boolean types. Explicit typing is a key feature in Go, meaning that when you declare a variable, you must specify the type.
Numeric Types
Go supports various numeric types including integers and floating-point numbers. The integer types are int, int8, int16, int32, and int64, which vary by the size of the numbers they can store. Similarly, there are unsigned integer types like uint, uint8, uint16, uint32, and uint64.
String Type
Strings in Go are sequences of bytes that represent UTF-8 encoded text. Strings are immutable, meaning once a string is created, it cannot be changed. You can use double quotes to define string literals.
Boolean Type
The boolean type in Go is used to represent true or false values. This type is fundamental for control flow, enabling conditional statements and loops to be executed based on logical conditions.
Conclusion
Understanding and using Go's data types effectively is crucial for writing efficient and error-free code. Make sure to specify the type of each variable explicitly, as this helps in catching errors at compile-time, enhancing the robustness of Go programs.
In the next post, we'll explore type inference in Go, which allows the compiler to automatically deduce the type of a variable from its context.
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