注释 King 参考手册/程序结构
外观
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compilation ::= {compilation_unit} compilation_unit ::= context_clause library_item | context_clause subunit library_item ::= [hidden] library_unit_declaration | library_unit_body | [hidden] library_unit_renaming_declaration library_unit_declaration ::= module_declaration | macro_declaration | macro_expansion library_unit_renaming_declaration ::= module_renaming_declaration | macro_renaming_declaration library_unit_body ::= subprogram_body | module_body subunit ::= separate parent_unit_name . proper_body context_clause ::= {context_item} context_item ::= use_clause use_clause ::= use library_unit_name;
在库级别,子程序体只能是过程。
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