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expression
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0.3.1
0.3.0
0.2.1
0.1.0
A Excel like expression parser, compatible with FLOIP Expression language.
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lib/expression/callbacks/eval_helpers.ex
defmodule Expression.Callbacks.EvalHelpers do
@moduledoc false
@doc """
Evaluate the given AST against the context and return the value
after evaluation.
"""
@spec eval!(term, map) :: term
def eval!(ast, ctx) do
ast
|> Expression.Eval.eval!(ctx)
|> Expression.Eval.not_founds_as_nil()
end
@doc """
Evaluate the given AST values against the context and return the
values after evaluation.
"""
@spec eval_args!([term], map) :: [term]
def eval_args!(args, ctx), do: Enum.map(args, &eval!(&1, ctx))
end