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13 lines
342 B
GLSL
13 lines
342 B
GLSL
a="致远电子"
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assert(ulen(a) == 4);
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assert(ulen(a+"abc") == 7);
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assert(usubstr(a) == '致远电子');
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assert(usubstr(a,0) == '致远电子');
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assert(usubstr(a,0,1) == '致');
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assert(usubstr(a,0,-1) == '致远电');
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assert(usubstr(a,-2,-1) == '电');
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assert(usubstr(a, -3) == '远电子');
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assert(usubstr(a, -3, ulen(a)) == '远电子');
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