Maps
Explore the concept of maps as a composite data type in Go. Understand their versatility for using various comparable key types, how to create them with make or map literals, and perform operations like length checking, key deletion, and existence testing. Gain practical insights into why maps are useful for efficient data access beyond integer indexing.
We'll cover the following...
We'll cover the following...
What are maps?
Both arrays and slices limit us to using positive integers as indexes. Maps are powerful data structures because they allow us to use indexes of various data types as keys to look up our data as long as these keys are comparable. A practical rule is that we should use a map when we are going to need indexes that are not positive integer numbers or ...