explicit-types.md

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title	explicit-types | Solhint

explicit-types

The {"extends": "solhint:recommended"} property in a configuration file enables this rule.

Description

Forbid or enforce explicit types (like uint256) that have an alias (like uint).

Options

This rule accepts an array of options:

Index	Description	Default Value
0	Rule severity. Must be one of "error", "warn", "off".	warn
1	Options need to be one of "explicit", "implicit"	explicit

Example Config

{
  "rules": {
    "explicit-types": ["warn","explicit"]
  }
}

Notes

• Solhint allows this rule to automatically fix the code with --fix option

Examples

👍 Examples of correct code for this rule

If explicit is selected

uint256 public variableName

If implicit is selected

uint public variableName

If explicit is selected

uint256 public variableName = uint256(5)

👎 Examples of incorrect code for this rule

If explicit is selected

uint public variableName

If implicit is selected

uint256 public variableName

At any setting

uint public variableName = uint256(5)

Version

This rule was introduced in Solhint 5.0.4

Resources

• Rule source
• Document source
• Test cases