codex

package

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Versions in this module

v0

v0.12.0

Jul 29, 2026

Changes in this version

+ var ErrUnknownField = errors.New("unknown field")

+ func DecodeVars[T any](target *T, vars map[string]string, fields ...FieldCodec[T]) error

+ func EncodeVars[T any](v T, fields ...FieldCodec[T]) (map[string]string, error)

+ func Must2[A, B any](a A, b B, err error) (A, B)

type Codec

+ func HexColor() Codec[Color]

+ func StrictStruct[T any](fields ...FieldCodec[T]) Codec[T]

+ type Color struct

+ A uint8

+ B uint8

+ G uint8

+ R uint8

+ type FieldCodec interface

+ type InvalidColorError struct

+ Value string

+ func (e InvalidColorError) Error() string

+ func (e InvalidColorError) LogValue() slog.Value

+ type VarEncodeTypeError struct

+ Field string

+ Got string

+ func (e VarEncodeTypeError) Error() string

+ func (e VarEncodeTypeError) LogValue() slog.Value

v0.11.0

Jul 15, 2026

Changes in this version

type Codec

+ func Base64() Codec[[]byte]

+ func EntrySlice[K comparable, V, R any](keyCodec Codec[K], valueCodec Codec[V], merge func(K, V) R, ...) Codec[[]R]

v0.10.0

Jun 12, 2026

v0.9.0

Jun 11, 2026

v0.8.0

Jun 6, 2026

Changes in this version

type Codec

+ var Empty Codec[struct{}] = Struct[struct{}]()

+ func Map[K comparable, V any](keyCodec Codec[K], valueCodec Codec[V]) Codec[map[K]V]

v0.7.0

May 28, 2026

v0.6.0

May 28, 2026

v0.5.0

May 28, 2026

v0.4.0

May 28, 2026

v0.3.0

May 27, 2026

Changes in this version

type Codec

+ func Any() Codec[any]

+ func Duration() Codec[time.Duration]

+ func Either2[A, B any](ca Codec[A], cb Codec[B]) Codec[Either[A, B]]

+ func Eq[T comparable](base Codec[T], value T) Codec[T]

+ func Float32() Codec[float32]

+ func Int32() Codec[int32]

+ func Pure[T any](value T) Codec[T]

+ func Uint() Codec[uint]

+ func Uint64() Codec[uint64]

+ func UntaggedUnion[T any](which func(T) int, variants ...UntaggedVariant[T]) Codec[T]

+ func (c Codec[T]) RefineFunc(fn func(T) error) Codec[T]

+ func (c Codec[T]) WithDeprecated() Codec[T]

+ func (c Codec[T]) WithExample(v any) Codec[T]

+ type Either struct

+ Left *A

+ Right *B

+ type EitherError struct

+ Errors []error

+ func (e EitherError) Error() string

+ func (e EitherError) LogValue() slog.Value

+ func (e EitherError) Unwrap() []error

type Field

+ Default *F

+ func DefaultField[T, F any](name string, codec Codec[F], defaultVal F, get func(T) F, set func(*T, F)) Field[T, F]

+ type UntaggedVariant struct

+ Codec Codec[T]

+ Name string

v0.2.0

May 21, 2026

Changes in this version

+ var ErrMissingField = errors.New("missing required field")

+ func Downcast[A any, B any](v B) (A, error)

+ func Must[T any](v T, err error) T

+ type Codec struct

+ Decode func(any) (T, error)

+ Encode func(T) (any, error)

+ Schema schema.Schema

+ func Bool() Codec[bool]

+ func Bytes() Codec[[]byte]

+ func Date() Codec[time.Time]

+ func Float64() Codec[float64]

+ func Int() Codec[int]

+ func Int64() Codec[int64]

+ func MapCodecSafe[A, B any](c Codec[A], to func(A) B, from func(B) (A, error)) Codec[B]

+ func MapCodecValidated[A, B any](ca Codec[A], cb Codec[B], to func(A) (B, error), from func(B) (A, error)) Codec[B]

+ func Nullable[T any](inner Codec[T]) Codec[*T]

+ func Refine[T any](c Codec[T], constraints ...Constraint[T]) Codec[T]

+ func SliceOf[T any](elem Codec[T]) Codec[[]T]

+ func String() Codec[string]

+ func StringMap[V any](value Codec[V]) Codec[map[string]V]

+ func Struct[T any](fields ...fieldCodec[T]) Codec[T]

+ func TaggedUnion[T any](tag string, variants map[string]Codec[T], ...) Codec[T]

+ func Time() Codec[time.Time]

+ func (c Codec[T]) New(v T) (T, error)

+ func (c Codec[T]) Refine(cons Constraint[T]) Codec[T]

+ func (c Codec[T]) Validate(v T) error

+ func (c Codec[T]) WithDescription(desc string) Codec[T]

+ func (c Codec[T]) WithTitle(title string) Codec[T]

+ type Constraint struct

+ Check func(T) bool

+ Message func(T) string

+ Name string

+ Schema func(schema.Schema) schema.Schema

+ type ConstraintError struct

+ Message string

+ Name string

+ func (e ConstraintError) Error() string

+ func (e ConstraintError) LogValue() slog.Value

+ type ElementError struct

+ Err error

+ Index int

+ func (e ElementError) Error() string

+ func (e ElementError) LogValue() slog.Value

+ func (e ElementError) Unwrap() error

+ type Field struct

+ Codec Codec[F]

+ Get func(T) F

+ Name string

+ Required bool

+ Set func(*T, F)

+ func OptionalField[T, F any](name string, codec Codec[F], get func(T) F, set func(*T, F)) Field[T, F]

+ func RequiredField[T, F any](name string, codec Codec[F], get func(T) F, set func(*T, F)) Field[T, F]

+ type KeyError struct

+ Err error

+ Key string

+ func (e KeyError) Error() string

+ func (e KeyError) LogValue() slog.Value

+ func (e KeyError) Unwrap() error

+ type TypeMismatchError struct

+ Expected string

+ Got string

+ func (e TypeMismatchError) Error() string

+ func (e TypeMismatchError) LogValue() slog.Value

+ type UnknownVariantError struct

+ Tag string

+ Variant string

+ func (e UnknownVariantError) Error() string

+ func (e UnknownVariantError) LogValue() slog.Value

+ type ValidationError struct

+ Err error

+ Field string

+ func (e ValidationError) Error() string

+ func (e ValidationError) LogValue() slog.Value

+ func (e ValidationError) Unwrap() error

+ type ValidationErrors []ValidationError

+ func (ve ValidationErrors) Error() string

+ func (ve ValidationErrors) LogValue() slog.Value

+ func (ve ValidationErrors) Unwrap() []error

+ type VariantError struct

+ Err error

+ Tag string

+ Variant string

+ func (e VariantError) Error() string

+ func (e VariantError) LogValue() slog.Value

+ func (e VariantError) Unwrap() error

v0.1.0

Apr 30, 2026

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