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Original file line number | Diff line number | Diff line change |
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import std::opt::{Option, none, some} | ||
|
||
/** | ||
* @brief A class representing a command-line argument. | ||
* | ||
* This class represents a command-line argument, which typically serves as input parameters for a command-line program. | ||
* An argument can have attributes such as a name, description, required flag, and default value. Command-line arguments | ||
* are used to specify input values or configurations when executing a program from the command line. | ||
*/ | ||
public class Arg { | ||
/// @brief The name of the argument. | ||
let mut name: String; | ||
/// @brief The description of the argument. | ||
let mut description: Option<String>; | ||
/// @brief Flag indicating whether the argument is required. | ||
let mut required: bool; | ||
/// @brief The default value of the argument. | ||
let mut default_val: Option<String>; | ||
/** | ||
* @brief Constructs an Arg object with the specified parameters. | ||
* @param[in] name The name of the argument. | ||
* @param[in] description The description of the argument. | ||
* @param[in] required Flag indicating whether the argument is required. | ||
* @param[in] default_val The default value of the argument. | ||
*/ | ||
public: Arg(name: String, description: String = "", required: bool = false) { | ||
self.name = name; | ||
if description.empty() { self.description = none<?String>(); } | ||
else { self.description = some(description); } | ||
self.required = required; | ||
self.default_val = none<?String>(); | ||
} | ||
/// Sets the name of the argument. | ||
@inline mut func name(n: String) Self | ||
{ self.name = n; return self; } | ||
/// Sets the description of the argument. | ||
@inline mut func description(d: String) Self | ||
{ self.description = some(d); return self; } | ||
/// Sets the required flag of the argument. | ||
@inline mut func required(r: bool) Self | ||
{ self.required = r; return self; } | ||
/// Sets the default value of the argument. | ||
@inline mut func default_val(d: String) Self | ||
{ self.default_val = some(d); return self; } | ||
/// Returns the name of the argument. | ||
@inline func name() String { return self.name; } | ||
/// Returns the description of the argument. | ||
@inline func description() Option<String> { return self.description; } | ||
/// Returns the required flag of the argument. | ||
@inline func required() bool { return self.required; } | ||
/// Returns the default value of the argument. | ||
@inline func default_val() Option<String> { return self.default_val; } | ||
/// Overloads the equality operator for the Arg class. | ||
operator func ==(other: Arg) bool { return self.name == other.name; } | ||
} |
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