feat: Add consts

CHANGELOG.adoc

@@ -14,6 +14,12 @@ All notable changes to this project will be documented in this file.
 The format is based on https://keepachangelog.com/[Keep a Changelog], and this
 project adheres to https://semver.org/[Semantic Versioning].
 
+== {compare-url}/v0.2.8\...HEAD[Unreleased]
+
+=== Added
+
+* Add `base` and `max` constants ({pull-request-url}/51[#51])
+
 == {compare-url}/v0.2.7\...v0.2.8[0.2.8] - 2024-04-08
 
 === Changed

src/exitcode.jl

@@ -131,6 +131,34 @@ config = 0x4e
     config
 end
 
+"""
+    base
+
+The base value for `ExitCode`.
+
+# Examples
+
+```jldoctest
+julia> Sysexits.base == Sysexits.usage
+true
+```
+"""
+const base = usage
+
+"""
+    max
+
+The maximum value for `ExitCode`.
+
+# Examples
+
+```jldoctest
+julia> Sysexits.max == Sysexits.config
+true
+```
+"""
+const max = config
+
 """
     issuccess(code::ExitCode) -> Bool
 

test/runtests.jl

@@ -29,6 +29,14 @@ end
     @test UInt8(Sysexits.config) == 78
 end
 
+@testset "base value" begin
+    @test Sysexits.base == Sysexits.usage
+end
+
+@testset "maximum value" begin
+    @test Sysexits.max == Sysexits.config
+end
+
 @testset "issuccess for successful termination" begin
     @test issuccess(Sysexits.ok)
 end