在Perl中,這是很平凡的,如果它的包裝是衆所周知的指定回調或代碼參考: package Foo;
sub foo { print "in foo" }
# and then
package main;
sub baz {
my $code = shift;
$code->();
}
baz(\&Foo::foo);
而這種打印in foo。 比方說你有
我有一種情況,我想在沒有類的項目中執行javadoc。它只有一個package的package-info.java。當執行javadoc中,給出了以下錯誤: An error has occurred in JavaDocs report generation:Exit code: 1 - javadoc: error - No public or protected classes found
當使用MnSymbol包加載一個符號或pdflatex提供了兩個字體警告: LaTeX Font Warning: Encoding 'OMS' has changed to 'U' for symbol font
(Font) 'symbols' in the math version 'normal' on input line 120.
LaTeX Font Info: Over