Compile takes an array of instructions and processes them returning an output Factor.

FromString takes a string of user input and returns a response.

InstructionsToString takes an array of instructions and prints them in plain text.

NewTime takes a string and returns a time or an error.

Parse takes an array of tokens and returns an array of instructions.

PrintDebug prints a string only if debug mode is enabled.

Reconstruct a string from a token list.

Tokenize a string, returning an array of tokens.

Instruction represents a part of a statement in which a particular Operation is to be carried out upon two terms, Left and Right.

NumberRegex represents any normal number in a mathematical statement.

TimeRegex represents an arbitrary time down to the second.

Token represents a part of some user input.

Factor represents a single component of a mathematical statement.