// SPDX-License-Identifier: Apache-2.0
; specs/widgets/basics-the-module-line.t27 -- the infographic of lesson 2 of the t27 basics course (specs/course/t27-basics.t27)
; Source of truth for public/widgets/basics-the-module-line/ (gHashTag/trinity): scripts/widget-pages-from-spec.mjs compiles
; this file, checks its constants, evaluates the tests below and writes the page. tool.js is one import of
; ../infographic.js, which draws SAY_TABLE_* as a real <table> and SAY_FLOW_* as an SVG diagram with a
; <title>, black and white, and holds no words of its own. ASCII only (L3), English only (LANG-EN).
; The lesson spec it illustrates: public/t27/files/specs/basics/02_the_module_line.t27.
; phi^2 + 1/phi^2 = 3 | TRINITY

module widget_basics_the_module_line;

pub const KIND : str = "widget-tool";
pub const ID : str = "basics-the-module-line";
pub const TITLE : str = "t27 basics 2: the module line";
pub const DESCRIPTION : str = "Which module lines the t27c compiler accepts, checked in the browser with the real compiler. Lesson 2 of the t27 basics course.";
pub const IMAGE_ALT : str = "A black and white table of module lines: module with an underscore name, module with a hyphenated name, and comment lines before the module line, each with what the compiler answered.";
pub const HOOK : str = "One line opens every t27 file. Here are the forms the real compiler accepts.";
pub const CATEGORY : str = "compiler";
pub const DATA_SOURCES : [2]str = ["The lesson spec public/t27/files/specs/basics/02_the_module_line.t27, compiled clean on 7 backends by public/t27/t27_compiler.wasm, whose tests pass in the site test runner", "Compiler verdicts, error lines, code and counts quoted on this page are what the same wasm answered in node 22 when the course was authored; words without a run behind them are said to be read, not run"];
pub const READS_LOCAL_FILES : bool = false;
pub const SENDS_NOTHING : bool = true;

; --- The table -----------------------------------------------------------------------------
pub const SAY_TABLE_CAPTION : str = "Module lines, as the compiler answered";
pub const SAY_TABLE_HEAD : [2]str = ["Line", "Verdict"];
pub const SAY_TABLE_CELLS : [6]str = ["module basics_02_the_module_line;", "Compiles on all 7 backends", "module tutorial-06-structs;", "Compiles on all 7 backends", "; prose, then module m;", "Compiles on all 7 backends"];
pub const K_TABLE_COLS : u8 = 2;
pub const K_TABLE_ROWS : u8 = 3;
pub const K_TABLE_CELLS : u16 = 6;

; --- The diagram and the note ----------------------------------------------------------------
pub const SAY_NOTE : str = "Each verdict above is what t27_compiler.wasm answered when this page was authored.";

test the_cells_fill_whole_rows {
    assert K_TABLE_ROWS * K_TABLE_COLS == K_TABLE_CELLS;
}

test the_table_has_a_body {
    assert K_TABLE_ROWS > 0;
    assert K_TABLE_COLS > 0;
}