README
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Methods
Methods are functions that are declared with a receiver which binds the method to a type. Then the method and can be used to operate on values or pointers of that type.
Notes
- Methods are functions that contain a receiver value.
- Receivers bind a method to a type and can be value or pointers.
- Methods are called against values and pointers, not packages.
- Go supports function and method variables.
Links
https://golang.org/doc/effective_go.html#methods
http://www.goinggo.net/2014/05/methods-interfaces-and-embedded-types.html
Code Review
Declare and receiver behavior (Go Playground)
Named typed methods (Go Playground)
Function/Method variables (Go Playground)
Function Types (Go Playground)
Exercises
Exercise 1
Declare a struct that represents a baseball player. Include name, atBats and hits. Declare a method that calculates a players batting average. The formula is Hits / AtBats. Declare a slice of this type and initialize the slice with several players. Iterate over the slice displaying the players name and batting average.
Template (Go Playground) | Answer (Go Playground)
All material is licensed under the Apache License Version 2.0, January 2004.
Directories
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Sample program to show how to declare methods and how the Go compiler supports them.
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Sample program to show how to declare methods and how the Go compiler supports them. |
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Sample program to show how to declare methods against a named type.
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Sample program to show how to declare methods against a named type. |
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Sample program to show how to declare function variables.
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Sample program to show how to declare function variables. |
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Sample program to show how to declare and use function types.
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Sample program to show how to declare and use function types. |
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exercises
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exercise1
Declare a struct that represents a baseball player.
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Declare a struct that represents a baseball player. |
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template1
Declare a struct that represents a baseball player.
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Declare a struct that represents a baseball player. |