exercism/elixir/bread-and-potions/HINTS.md

Hints

General

• Read about protocols in the official Getting Started guide or on elixirschool.com.

1. Define edibility

• There is a special macro for defining protocols.
• Protocols consist of one or more function headers.
• A function header is like a function definition, but without the do block. It defines the function name and its arguments, but not what it does.

2. Make loaves of bread edible

• There is a special macro for implementing a protocol for a given data type.
• Implementing a protocol means writing a function definition for each function header from the protocol.

3. Make mana potions edible

• There is a special macro for implementing a protocol for a given data type.
• Implementing a protocol means writing a function definition for each function header from the protocol.

4. Make poisons edible

• There is a special macro for implementing a protocol for a given data type.
• Implementing a protocol means writing a function definition for each function header from the protocol.