Predicator.Errors.UndefinedVariableError (predicator v3.8.0)

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Error struct for undefined variable errors in Predicator evaluation.

This error occurs when trying to access a variable that doesn't exist in the evaluation context.

Fields

  • message - Human-readable error description
  • variable - The name of the undefined variable
  • position - {line, column} of the source token that produced the failing instruction, when a position table was available (optional)

Examples

%Predicator.Errors.UndefinedVariableError{
  message: "Undefined variable: score",
  variable: "score"
}

%Predicator.Errors.UndefinedVariableError{
  message: "Undefined variable: user.profile.settings",
  variable: "user.profile.settings"
}

Summary

Types

t()

Functions

new(variable)

Creates an undefined variable error.

Types

t()

@type t() :: %Predicator.Errors.UndefinedVariableError{
  message: binary(),
  position: Predicator.Types.position() | nil,
  variable: binary()
}

Functions

new(variable)

@spec new(binary()) :: t()

Creates an undefined variable error.