trinary

package

v0.0.4 Latest Latest Go to latest Published: Apr 27, 2026 License: Apache-2.0 Imports: 5 Imported by: 0

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Valid go.mod file
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github.com/sentrie-sh/sentrie

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Documentation ¶

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type HasTrinary ¶

type HasTrinary interface {
	ToTrinary() Value
}

type IsUndefined ¶

type IsUndefined interface {
	IsUndefined() bool
}

type Value ¶

type Value int

Value represents a trinary outcome: True, False, or Unknown.

const (
	False Value = iota - 1
	Unknown
	True
)

func From ¶

func From(v any) Value

From coerces any Go value into a trinary Value:

nil or IsUndefined → Unknown
HasTrinary / Value → delegates directly
bool → True/False
numeric primitives (int/uint/float families) → True when != 0
string → textual keywords first, otherwise True when len > 0
pointers and interfaces → dereference once and retry
reflected string/slice/array/map kinds → reuse the string/len rules
everything else defaults to True (non-nil structs, etc.)

func FromToken ¶

func FromToken(t tokens.Instance) Value

func Parse ¶

func Parse(s string) Value

Parse parses a string into a trinary value. It converts:

1, t, T, TRUE, true, True => True
0, f, F, FALSE, false, False => False
-1, n, N, UNKNOWN, unknown, Unknown => Unknown

Any other value returns Unknown.

func (Value) And ¶

func (r Value) And(other Value) Value

And implements tri-state AND using Kleene logic. | **AND** | **True** | **False** | **Unknown** | | ----------- | -------- | --------- | ----------- | | **True** | True | False | Unknown | | **False** | False | False | False | | **Unknown** | Unknown | False | Unknown |

func (Value) Equals ¶

func (r Value) Equals(other Value) bool

func (Value) IsTrue ¶

func (r Value) IsTrue() bool

Istrue returns true if the value is Pass

func (Value) MarshalJSON ¶

func (r Value) MarshalJSON() ([]byte, error)

func (Value) Not ¶

func (r Value) Not() Value

Not implements logical NOT. True -> False, False -> True, Unknown -> Unknown

func (Value) Or ¶

func (r Value) Or(other Value) Value

Or implements tri-state OR as a Kleene logic. | **OR** | **True** | **False** | **Unknown** | | ----------- | -------- | --------- | ----------- | | **True** | True | True | True | | **False** | True | False | Unknown | | **Unknown** | True | Unknown | Unknown |

func (Value) String ¶

func (r Value) String() string

Source Files ¶

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