AngouriMath
Parse(System.String)
Method (no overloads)
Summary
Parses an expression silently, that is,
without throwing an exception. Instead,
it returns a Failure in case of encountered
errors during parsing.
without throwing an exception. Instead,
it returns a Failure in case of encountered
errors during parsing.
Returns
Returns a type union of the successful result and
failure, which is a type union of multiple reasons
it may have failed.
failure, which is a type union of multiple reasons
it may have failed.
Example
Multiple ways to parse an expression.
Entity expr1 = "a + b";
var expr2 = FromString("a + b");
var expr3 = FromString("a + b", useCache: false);
var expr4 = (Entity)"a + b";
var expr5 = Parse("a + b").Switch(
res => res,
failure => failure.Reason.Switch<object>(
unknown => throw new("Unknown reason"),
missingOp => throw new("Missing operator"),
internalError => throw new("Internal error")
)
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