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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

[2.0.3] - 2023-07-01

Changed

got rid of Compat dependency

[2.0.2] - 2021-07-17

Changed

reverting Base.catch_backtrace() to Base.catch_stack() everywhere. Apparently this is really only an issue on julia nightly and should not be changed in julia 1.6. Hence reverting everything.

[2.0.1] - 2021-07-16

Changed

using Base.catch_backtrace() now instead of Base.catch_stack() which got deprecated

[2.0.0] - 2021-07-15

Added

Base.get and Base.getindex are now both implemented for Const (like they are implemented already for Identity), to simplify working with Const.
Vector conversions (convert) are now more generic and support AbstractArray in general

Fixed

Option(3) works now
The constructors Const{ElementType}(value) and Identity{ElementType}(value) had been removed already, however were still used. Maybe this now gave errors because of newer julia version, don't know, but now everything uses Const(value) and Identity(value) instead.
fixed a couple of disambiguation errors which magically appeared after switching to Julia 1.6

Changed

Thrown now parameterises also the type of the stacktrace. This is going to change in upcoming julia version 1.7.

Removed

Option{T}(value::T) didn't work and is removed now, as it does not provide any benefit anylonger, which is a breaking change
Option{T}() is also removed for completeness, which is a breaking change
Const no longer converts to Identity. This was added originally so that a Const nested within an Identity can be flattened. However, there is a better alternative, namely now the flatmap operator on Identity just strips away the outer Identity, without any call to convert. This is simpler and more convenient approach which also makes the hacky conversion no longer needed. This is a breaking change.

[1.0.0] - 2020-07-19

Added

CI via GitHubActions
Documentation via Documenter.jl and GitHubActions
Codecoverage via GitHubActions and Codecov
extensive Testing
TagBot and CompatHelper GitHubActions
extensive promote_rule and promote_typejoin implementations have been added for Identity, Const, Option, Either, OptionEither.
@either macro with which you can construct Either using ? operator or if-else.

Changed

Option is now represented as Union of Identity and Const{Nothing}
Either is now represented as Union of Identity and Const
Try is now represented as Union of Identity and Const{<:Exception}
flatten in general is now unified to use convert for interoperability between similar container types
flatten of ContextManager is again reverted back to not use FlattenMe anymore. Instead the inner result value is explicitly converted to ContextManager, following the general principle now.

Fixed

foreach for Identity is fixed
convert for Identity and Const preserves the container type now
equality == for Thrown works now
promote_type for Either (was too imprecise)

[0.3.0] - 2020-03-23

Changed

flatten on ContextManager is now realised at runtime (the reason was that inaccurate typeinference could not be resolved for ContextManager before). Concretely, if you call Iterators.flatten(...) on the ContextManager, a tag FlattenMe will be mapped onto the ContextManager. When the ContextManager is run, then a FlattenMe result will be further flattened out. Note that this wrapper is also applied to non-contextmanager types for advanced later flattening of complex nested flatten structures.

Fixed

typeinference for Option, Try, Either is now massively improved

[0.2.0] - 2020-03-06

initial release