#!/usr/bin/env python3

# -*- coding: utf-8 -*-

# 简单匹配:

print('-- simple match --')

score = 'A'

match score:

case 'A':

print('score is A.')

case 'B':

print('score is B.')

case 'C':

print('score is C.')

case _:

print('score is ???.')

# 复杂匹配:

print('-- complex match --')

age = 15

match age:

case x if x < 10:

print('< 10 years old.')

case 10:

print('10 years old.')

case 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18:

print('11~18 years old.')

case 19:

print('19 years old.')

case _:

print('not sure.')

# 列表匹配:

print('-- match list --')

args = ['gcc', 'hello.c', 'world.c']

# args = ['clean']

# args = ['gcc']

match args:

# 如果仅出现gcc，报错:

case ['gcc']:

print('gcc: missing source file(s).')

# 出现gcc，且至少指定了一个文件:

case ['gcc', file1, *files]:

print('gcc compile: ' + file1 + ', ' + ', '.join(files))

# 仅出现clean:

case ['clean']:

print('clean')

case _:

print('invalid command.')