Widths

Calculates the minimum padding needed to accommodate the strings of all the types and names of the members of the passed struct and/or classes, for formatting into neat columns.

private

template Widths (

Flag!"all" all

Things...

) {

eponymoustemplate longestUnserialisableMemberNames(Things...) via import kameloso.traits : longestUnserialisableMemberNames;;

static if(all)

enum type;

private

static if(all)

enum initialWidth;

eponymoustemplate longestMemberNames(Things...) via import kameloso.traits : longestMemberNames;;

static if(!(all))

enum type;

private

static if(!(all))

enum initialWidth;

private

enum ptrdiff_t compensatedWidth;

enum ptrdiff_t name;

}

Parameters

all: Whether or not to also include Unserialisable members.
Things: Variadic list of aggregates to introspect.

Examples

import std.algorithm.comparison : max;

struct S1
{
    string someString;
    int someInt;
    string[] aaa;
}

struct S2
{
    string longerString;
    int i;
}

alias widths = Widths!(No.all, S1, S2);

static assert(widths.type == max(minimumTypeWidth, "string[]".length));
static assert(widths.name == max(minimumNameWidth, "longerString".length));

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Widths