chore: simplify boundary combination function

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Kyle Sutherland-Cash 2021-05-04 01:12:20 -07:00 committed by GitHub
commit f2f20f676f
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@ -73,620 +73,325 @@ fn combine_symbols(
current_symbol: BoundarySymbol,
next_symbol: BoundarySymbol,
) -> Option<BoundarySymbol> {
use boundary_type::*;
let invisible = current_symbol.invisible || next_symbol.invisible;
let color = match (current_symbol.color.is_some(), next_symbol.color.is_some()) {
(true, _) => current_symbol.color,
_ => next_symbol.color,
};
let current_symbol = current_symbol.boundary_type;
let next_symbol = next_symbol.boundary_type;
match (current_symbol, next_symbol) {
(boundary_type::TOP_RIGHT, boundary_type::TOP_RIGHT) => {
let color = current_symbol.color.or(next_symbol.color);
match (current_symbol.boundary_type, next_symbol.boundary_type) {
(CROSS, _) | (_, CROSS) => {
// (┼, *) or (*, ┼) => Some(┼)
let boundary_type = CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(TOP_RIGHT, TOP_RIGHT) => {
// (┐, ┐) => Some(┐)
let boundary_type = boundary_type::TOP_RIGHT;
let boundary_type = TOP_RIGHT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::TOP_RIGHT, boundary_type::VERTICAL) => {
(TOP_RIGHT, VERTICAL) | (TOP_RIGHT, BOTTOM_RIGHT) | (TOP_RIGHT, VERTICAL_LEFT) => {
// (┐, │) => Some(┤)
let boundary_type = boundary_type::VERTICAL_LEFT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::TOP_RIGHT, boundary_type::HORIZONTAL) => {
// (┐, ─) => Some(┬)
let boundary_type = boundary_type::HORIZONTAL_DOWN;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::TOP_RIGHT, boundary_type::TOP_LEFT) => {
// (┐, ┌) => Some(┬)
let boundary_type = boundary_type::HORIZONTAL_DOWN;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::TOP_RIGHT, boundary_type::BOTTOM_RIGHT) => {
// (┐, ┘) => Some(┤)
let boundary_type = boundary_type::VERTICAL_LEFT;
// (─, ┤) => Some(┤)
let boundary_type = VERTICAL_LEFT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::TOP_RIGHT, boundary_type::BOTTOM_LEFT) => {
// (┐, └) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::TOP_RIGHT, boundary_type::VERTICAL_LEFT) => {
// (┐, ┤) => Some(┤)
let boundary_type = boundary_type::VERTICAL_LEFT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::TOP_RIGHT, boundary_type::VERTICAL_RIGHT) => {
// (┐, ├) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::TOP_RIGHT, boundary_type::HORIZONTAL_DOWN) => {
(TOP_RIGHT, HORIZONTAL) | (TOP_RIGHT, TOP_LEFT) | (TOP_RIGHT, HORIZONTAL_DOWN) => {
// (┐, ─) => Some(┬)
// (┐, ┌) => Some(┬)
// (┐, ┬) => Some(┬)
let boundary_type = boundary_type::HORIZONTAL_DOWN;
let boundary_type = HORIZONTAL_DOWN;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::TOP_RIGHT, boundary_type::HORIZONTAL_UP) => {
(TOP_RIGHT, BOTTOM_LEFT) | (TOP_RIGHT, VERTICAL_RIGHT) | (TOP_RIGHT, HORIZONTAL_UP) => {
// (┐, └) => Some(┼)
// (┐, ├) => Some(┼)
// (┐, ┴) => Some(┼)
let boundary_type = boundary_type::CROSS;
let boundary_type = CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::TOP_RIGHT, boundary_type::CROSS) => {
// (┐, ┼) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::HORIZONTAL, boundary_type::HORIZONTAL) => {
(HORIZONTAL, HORIZONTAL) => {
// (─, ─) => Some(─)
let boundary_type = boundary_type::HORIZONTAL;
let boundary_type = HORIZONTAL;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::HORIZONTAL, boundary_type::VERTICAL) => {
(HORIZONTAL, VERTICAL) | (HORIZONTAL, VERTICAL_LEFT) | (HORIZONTAL, VERTICAL_RIGHT) => {
// (─, │) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::HORIZONTAL, boundary_type::TOP_LEFT) => {
// (─, ┌) => Some(┬)
let boundary_type = boundary_type::HORIZONTAL_DOWN;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::HORIZONTAL, boundary_type::BOTTOM_RIGHT) => {
// (─, ┘) => Some(┴)
let boundary_type = boundary_type::HORIZONTAL_UP;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::HORIZONTAL, boundary_type::BOTTOM_LEFT) => {
// (─, └) => Some(┴)
let boundary_type = boundary_type::HORIZONTAL_UP;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::HORIZONTAL, boundary_type::VERTICAL_LEFT) => {
// (─, ┤) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::HORIZONTAL, boundary_type::VERTICAL_RIGHT) => {
// (─, ├) => Some(┼)
let boundary_type = boundary_type::CROSS;
let boundary_type = CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::HORIZONTAL, boundary_type::HORIZONTAL_DOWN) => {
(HORIZONTAL, TOP_LEFT) | (HORIZONTAL, HORIZONTAL_DOWN) => {
// (─, ┌) => Some(┬)
// (─, ┬) => Some(┬)
let boundary_type = boundary_type::HORIZONTAL_DOWN;
let boundary_type = HORIZONTAL_DOWN;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::HORIZONTAL, boundary_type::HORIZONTAL_UP) => {
(HORIZONTAL, BOTTOM_RIGHT) | (HORIZONTAL, BOTTOM_LEFT) | (HORIZONTAL, HORIZONTAL_UP) => {
// (─, ┘) => Some(┴)
// (─, └) => Some(┴)
// (─, ┴) => Some(┴)
let boundary_type = boundary_type::HORIZONTAL_UP;
let boundary_type = HORIZONTAL_UP;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::HORIZONTAL, boundary_type::CROSS) => {
// (─, ┼) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::VERTICAL, boundary_type::VERTICAL) => {
(VERTICAL, VERTICAL) => {
// (│, │) => Some(│)
let boundary_type = boundary_type::VERTICAL;
let boundary_type = VERTICAL;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::VERTICAL, boundary_type::TOP_LEFT) => {
(VERTICAL, TOP_LEFT) | (VERTICAL, BOTTOM_LEFT) | (VERTICAL, VERTICAL_RIGHT) => {
// (│, ┌) => Some(├)
let boundary_type = boundary_type::VERTICAL_RIGHT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::VERTICAL, boundary_type::BOTTOM_RIGHT) => {
// (│, ┘) => Some(┤)
let boundary_type = boundary_type::VERTICAL_LEFT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::VERTICAL, boundary_type::BOTTOM_LEFT) => {
// (│, └) => Some(├)
let boundary_type = boundary_type::VERTICAL_RIGHT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::VERTICAL, boundary_type::VERTICAL_LEFT) => {
// (│, ┤) => Some(┤)
let boundary_type = boundary_type::VERTICAL_LEFT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::VERTICAL, boundary_type::VERTICAL_RIGHT) => {
// (│, ├) => Some(├)
let boundary_type = boundary_type::VERTICAL_RIGHT;
let boundary_type = VERTICAL_RIGHT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::VERTICAL, boundary_type::HORIZONTAL_DOWN) => {
(VERTICAL, BOTTOM_RIGHT) | (VERTICAL, VERTICAL_LEFT) => {
// (│, ┘) => Some(┤)
// (│, ┤) => Some(┤)
let boundary_type = VERTICAL_LEFT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(VERTICAL, HORIZONTAL_DOWN) | (VERTICAL, HORIZONTAL_UP) => {
// (│, ┬) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::VERTICAL, boundary_type::HORIZONTAL_UP) => {
// (│, ┴) => Some(┼)
let boundary_type = boundary_type::CROSS;
let boundary_type = CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::VERTICAL, boundary_type::CROSS) => {
// (│, ┼) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::TOP_LEFT, boundary_type::TOP_LEFT) => {
(TOP_LEFT, TOP_LEFT) => {
// (┌, ┌) => Some(┌)
let boundary_type = boundary_type::TOP_LEFT;
let boundary_type = TOP_LEFT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::TOP_LEFT, boundary_type::BOTTOM_RIGHT) => {
(TOP_LEFT, BOTTOM_RIGHT) | (TOP_LEFT, VERTICAL_LEFT) | (TOP_LEFT, HORIZONTAL_UP) => {
// (┌, ┘) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::TOP_LEFT, boundary_type::BOTTOM_LEFT) => {
// (┌, └) => Some(├)
let boundary_type = boundary_type::VERTICAL_RIGHT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::TOP_LEFT, boundary_type::VERTICAL_LEFT) => {
// (┌, ┤) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::TOP_LEFT, boundary_type::VERTICAL_RIGHT) => {
// (┌, ├) => Some(├)
let boundary_type = boundary_type::VERTICAL_RIGHT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::TOP_LEFT, boundary_type::HORIZONTAL_DOWN) => {
// (┌, ┬) => Some(┬)
let boundary_type = boundary_type::HORIZONTAL_DOWN;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::TOP_LEFT, boundary_type::HORIZONTAL_UP) => {
// (┌, ┴) => Some(┼)
let boundary_type = boundary_type::CROSS;
let boundary_type = CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::TOP_LEFT, boundary_type::CROSS) => {
// (┌, ┼) => Some(┼)
let boundary_type = boundary_type::CROSS;
(TOP_LEFT, BOTTOM_LEFT) | (TOP_LEFT, VERTICAL_RIGHT) => {
// (┌, └) => Some(├)
// (┌, ├) => Some(├)
let boundary_type = VERTICAL_RIGHT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::BOTTOM_RIGHT, boundary_type::BOTTOM_RIGHT) => {
(TOP_LEFT, HORIZONTAL_DOWN) => {
// (┌, ┬) => Some(┬)
let boundary_type = HORIZONTAL_DOWN;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(BOTTOM_RIGHT, BOTTOM_RIGHT) => {
// (┘, ┘) => Some(┘)
let boundary_type = boundary_type::BOTTOM_RIGHT;
let boundary_type = BOTTOM_RIGHT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::BOTTOM_RIGHT, boundary_type::BOTTOM_LEFT) => {
(BOTTOM_RIGHT, BOTTOM_LEFT) | (BOTTOM_RIGHT, HORIZONTAL_UP) => {
// (┘, └) => Some(┴)
let boundary_type = boundary_type::HORIZONTAL_UP;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::BOTTOM_RIGHT, boundary_type::VERTICAL_LEFT) => {
// (┘, ┤) => Some(┤)
let boundary_type = boundary_type::VERTICAL_LEFT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::BOTTOM_RIGHT, boundary_type::VERTICAL_RIGHT) => {
// (┘, ├) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::BOTTOM_RIGHT, boundary_type::HORIZONTAL_DOWN) => {
// (┘, ┬) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::BOTTOM_RIGHT, boundary_type::HORIZONTAL_UP) => {
// (┘, ┴) => Some(┴)
let boundary_type = boundary_type::HORIZONTAL_UP;
let boundary_type = HORIZONTAL_UP;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::BOTTOM_RIGHT, boundary_type::CROSS) => {
// (┘, ┼) => Some(┼)
let boundary_type = boundary_type::CROSS;
(BOTTOM_RIGHT, VERTICAL_LEFT) => {
// (┘, ┤) => Some(┤)
let boundary_type = VERTICAL_LEFT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::BOTTOM_LEFT, boundary_type::BOTTOM_LEFT) => {
(BOTTOM_RIGHT, VERTICAL_RIGHT) | (BOTTOM_RIGHT, HORIZONTAL_DOWN) => {
// (┘, ├) => Some(┼)
// (┘, ┬) => Some(┼)
let boundary_type = CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(BOTTOM_LEFT, BOTTOM_LEFT) => {
// (└, └) => Some(└)
let boundary_type = boundary_type::BOTTOM_LEFT;
let boundary_type = BOTTOM_LEFT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::BOTTOM_LEFT, boundary_type::VERTICAL_LEFT) => {
(BOTTOM_LEFT, VERTICAL_LEFT) | (BOTTOM_LEFT, HORIZONTAL_DOWN) => {
// (└, ┤) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::BOTTOM_LEFT, boundary_type::VERTICAL_RIGHT) => {
// (└, ├) => Some(├)
let boundary_type = boundary_type::VERTICAL_RIGHT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::BOTTOM_LEFT, boundary_type::HORIZONTAL_DOWN) => {
// (└, ┬) => Some(┼)
let boundary_type = boundary_type::CROSS;
let boundary_type = CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::BOTTOM_LEFT, boundary_type::HORIZONTAL_UP) => {
(BOTTOM_LEFT, VERTICAL_RIGHT) => {
// (└, ├) => Some(├)
let boundary_type = VERTICAL_RIGHT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(BOTTOM_LEFT, HORIZONTAL_UP) => {
// (└, ┴) => Some(┴)
let boundary_type = boundary_type::HORIZONTAL_UP;
let boundary_type = HORIZONTAL_UP;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::BOTTOM_LEFT, boundary_type::CROSS) => {
// (└, ┼) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::VERTICAL_LEFT, boundary_type::VERTICAL_LEFT) => {
(VERTICAL_LEFT, VERTICAL_LEFT) => {
// (┤, ┤) => Some(┤)
let boundary_type = boundary_type::VERTICAL_LEFT;
let boundary_type = VERTICAL_LEFT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::VERTICAL_LEFT, boundary_type::VERTICAL_RIGHT) => {
(VERTICAL_LEFT, VERTICAL_RIGHT)
| (VERTICAL_LEFT, HORIZONTAL_DOWN)
| (VERTICAL_LEFT, HORIZONTAL_UP) => {
// (┤, ├) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::VERTICAL_LEFT, boundary_type::HORIZONTAL_DOWN) => {
// (┤, ┬) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::VERTICAL_LEFT, boundary_type::HORIZONTAL_UP) => {
// (┤, ┴) => Some(┼)
let boundary_type = boundary_type::HORIZONTAL_UP;
let boundary_type = CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::VERTICAL_LEFT, boundary_type::CROSS) => {
// (┤, ┼) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::VERTICAL_RIGHT, boundary_type::VERTICAL_RIGHT) => {
(VERTICAL_RIGHT, VERTICAL_RIGHT) => {
// (├, ├) => Some(├)
let boundary_type = boundary_type::VERTICAL_RIGHT;
let boundary_type = VERTICAL_RIGHT;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::VERTICAL_RIGHT, boundary_type::HORIZONTAL_DOWN) => {
(VERTICAL_RIGHT, HORIZONTAL_DOWN) | (VERTICAL_RIGHT, HORIZONTAL_UP) => {
// (├, ┬) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::VERTICAL_RIGHT, boundary_type::HORIZONTAL_UP) => {
// (├, ┴) => Some(┼)
let boundary_type = boundary_type::CROSS;
let boundary_type = CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::VERTICAL_RIGHT, boundary_type::CROSS) => {
// (├, ┼) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::HORIZONTAL_DOWN, boundary_type::HORIZONTAL_DOWN) => {
(HORIZONTAL_DOWN, HORIZONTAL_DOWN) => {
// (┬, ┬) => Some(┬)
let boundary_type = boundary_type::HORIZONTAL_DOWN;
let boundary_type = HORIZONTAL_DOWN;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::HORIZONTAL_DOWN, boundary_type::HORIZONTAL_UP) => {
(HORIZONTAL_DOWN, HORIZONTAL_UP) => {
// (┬, ┴) => Some(┼)
let boundary_type = boundary_type::CROSS;
let boundary_type = CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::HORIZONTAL_DOWN, boundary_type::CROSS) => {
// (┬, ┼) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::HORIZONTAL_UP, boundary_type::HORIZONTAL_UP) => {
(HORIZONTAL_UP, HORIZONTAL_UP) => {
// (┴, ┴) => Some(┴)
let boundary_type = boundary_type::HORIZONTAL_UP;
let boundary_type = HORIZONTAL_UP;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::HORIZONTAL_UP, boundary_type::CROSS) => {
// (┴, ┼) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(boundary_type::CROSS, boundary_type::CROSS) => {
// (┼, ┼) => Some(┼)
let boundary_type = boundary_type::CROSS;
Some(BoundarySymbol {
boundary_type,
invisible,
color,
})
}
(_, _) => None,
}
}
fn find_next_symbol(
first_symbol: BoundarySymbol,
second_symbol: BoundarySymbol,
) -> Option<BoundarySymbol> {
if let Some(symbol) = combine_symbols(first_symbol, second_symbol) {
Some(symbol)
} else {
combine_symbols(second_symbol, first_symbol)
(_, _) => combine_symbols(next_symbol, current_symbol),
}
}
@ -795,7 +500,7 @@ impl Boundaries {
let next_symbol = self
.boundary_characters
.remove(&coordinates)
.and_then(|current_symbol| find_next_symbol(current_symbol, symbol_to_add))
.and_then(|current_symbol| combine_symbols(current_symbol, symbol_to_add))
.unwrap_or(symbol_to_add);
self.boundary_characters.insert(coordinates, next_symbol);
}
@ -819,7 +524,7 @@ impl Boundaries {
let next_symbol = self
.boundary_characters
.remove(&coordinates)
.and_then(|current_symbol| find_next_symbol(current_symbol, symbol_to_add))
.and_then(|current_symbol| combine_symbols(current_symbol, symbol_to_add))
.unwrap_or(symbol_to_add);
self.boundary_characters.insert(coordinates, next_symbol);
}
@ -844,7 +549,7 @@ impl Boundaries {
let next_symbol = self
.boundary_characters
.remove(&coordinates)
.and_then(|current_symbol| find_next_symbol(current_symbol, symbol_to_add))
.and_then(|current_symbol| combine_symbols(current_symbol, symbol_to_add))
.unwrap_or(symbol_to_add);
self.boundary_characters.insert(coordinates, next_symbol);
}
@ -868,7 +573,7 @@ impl Boundaries {
let next_symbol = self
.boundary_characters
.remove(&coordinates)
.and_then(|current_symbol| find_next_symbol(current_symbol, symbol_to_add))
.and_then(|current_symbol| combine_symbols(current_symbol, symbol_to_add))
.unwrap_or(symbol_to_add);
self.boundary_characters.insert(coordinates, next_symbol);
}