4 - Layout

The layout of a Solidity source file can contain an arbitrary number of Pragma directives, import directives and structs/enums/contracts definitions.

The best-practices for layout within a contract is the following order:

Slide Screenshot

Slide Deck

Solidity Source File Layout
- Pragma/Import Directives
- Struct/Enum
- Contract Definitions
Contract:
- Structs/Enums
- State Variables
- Events
- Errors
- Modifiers
- Constructor
- Functions
Arbitrary Number
Layout Best-practices

References

Youtube Reference