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locks; strict;
comment	@# @;


1.2
date	2025.01.29.16.43.05;	author pho;	state Exp;
branches;
next	1.1;
commitid	KZfDkh1IGInXUoHF;

1.1
date	2014.05.25.21.54.17;	author szptvlfn;	state Exp;
branches;
next	;
commitid	v81r8xaFX8I04YBx;


desc
@@


1.2
log
@devel/hs-hashable: update to hashable-1.5.0.0

## Version 1.5.0.0

  * Add `QuantifiedConstraints` superclasses to `Hashable1/2`:

```haskell
class (Eq1 t, forall a. Hashable a => Hashable (t a)) => Hashable1 t where
class (Eq2 t, forall a. Hashable a => Hashable1 (t a)) => Hashable2 t where
```

  * Change contexts of `Compose`, `Product` and `Sum` instances.
    This and above is the similar change as [CLC proposal #10](https://github.com/haskell/core-libraries-committee/issues/10)

  * The above changes require `base-4.18.0.0`, so we drop support for GHC prior GHC-9.6.5
    (The `hashable-1.4` branch will be maintained for time being for older GHC users).

  * Make `Arg a b` instance behave as `Hashable a` instance.

## Version 1.4.7.0

  * Make `arch-native` disabled by default.

## Version 1.4.6.0

  * Use GND&DerivingVia to derive `newtype` intances (`Data.Semigroup`, `Data.Monoid`, `Identity` etc).

## Version 1.4.5.0

  * Drop support for GHCs prior 8.6.5
  * Use xxhash for hashing bytestrings and bytearrays.
    Note: when compiling binaries for distribution, you may need to disable
    `arch-native` flag.
@
text
@This package defines a class, Hashable, for types that can be converted to a
hash value. This class exists for the benefit of hashing-based data structures.
The package provides instances for basic types and a way to combine hash values.

Hashable is intended exclusively for use in in-memory data structures.

Hashable does not have a fixed standard. This allows it to improve over time.

Because it does not have a fixed standard, different computers or computers on
different versions of the code will observe different hash values. As
such, hashable is not recommended for use other than in-memory datastructures.
Specifically, hashable is not intended for network use or in applications which
persist hashed values. For stable hashing use named hashes: sha256, crc32,
xxhash etc.
@


1.1
log
@Import hashable-1.2.2.0 as devel/hs-hashable,
packaged for wip by pho.

This package defines a class, Hashable, for types that can be
converted to a hash value. This class exists for the benefit of
hashing-based data structures. The package provides instances for
basic types and a way to combine hash values.
@
text
@d1 14
a14 4
This package defines a class, Hashable, for types that can be
converted to a hash value. This class exists for the benefit of
hashing-based data structures. The package provides instances for
basic types and a way to combine hash values.
@