Time Formatting Parsing in AngelScript

import std.time;
import std.string;

void main() {
    // Here's a basic example of formatting a time
    // according to ISO 8601, which is similar to RFC3339.
    datetime t = datetime();
    print(t.format("%Y-%m-%dT%H:%M:%S%z"));

    // Time parsing uses a similar format string as formatting.
    datetime t1;
    if (datetime::parse("2012-11-01T22:08:41+00:00", t1, "%Y-%m-%dT%H:%M:%S%z")) {
        print(t1.format("%Y-%m-%d %H:%M:%S %z"));
    }

    // Format and parse use format specifiers. You can use predefined
    // formats or create custom ones. Here are some examples:
    print(t.format("%I:%M%p"));
    print(t.format("%a %b %d %H:%M:%S %Y"));
    print(t.format("%Y-%m-%dT%H:%M:%S.%f%z"));

    string form = "%I %M %p";
    datetime t2;
    if (datetime::parse("8 41 PM", t2, form)) {
        print(t2.format("%Y-%m-%d %H:%M:%S"));
    }

    // For purely numeric representations you can also
    // use string formatting with the extracted
    // components of the time value.
    print(formatString("%d-%02d-%02dT%02d:%02d:%02d-00:00",
        t.year(), t.month(), t.day(),
        t.hour(), t.minute(), t.second()));

    // Parse will return false on malformed input.
    string ansic = "%a %b %d %H:%M:%S %Y";
    datetime t3;
    if (!datetime::parse("8:41PM", t3, ansic)) {
        print("Error parsing time");
    }
}

AngelScript doesn’t have built-in time formatting and parsing as extensive as Go’s, but we can achieve similar functionality using the std.time module. Here’s an explanation of the changes:

We use datetime instead of time.Time.
The Format method is replaced with format, which uses format specifiers similar to C’s strftime.
Instead of Parse, we use datetime::parse, which returns a boolean indicating success or failure.
The reference time concept doesn’t exist in AngelScript, so we use format specifiers directly.
Error handling is done by checking the return value of parse.

To run this program, you would save it as a .as file and use the AngelScript interpreter or compile it with your AngelScript-compatible engine.

The output might look something like this:

2023-06-15T10:30:45+0000
2012-11-01 22:08:41 +0000
10:30AM
Thu Jun 15 10:30:45 2023
2023-06-15T10:30:45.123456+0000
0000-01-01 20:41:00
2023-06-15T10:30:45-00:00
Error parsing time

Note that the exact output will depend on the current time when you run the program.

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Time Formatting Parsing in AngelScript