[swift-evolution] do try catch?

[Don Arnel]

Is there a reason this format was adopted for error handling:

do {
    try makeASandwich()
    eatASandwich()
} catch Error.OutOfCleanDishes {
    washDishes()
} catch Error.MissingIngredients(let ingredients) {
    buyGroceries(ingredients)
}

rather than this format:

try {
    makeASandwich()
    eatASandwich()
} catch Error.OutOfCleanDishes {
    washDishes()
} catch Error.MissingIngredients(let ingredients) {
    buyGroceries(ingredients)
}

The second format is much more intuitive, and reads easier IMO.

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